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【简答题】
Companies need to take (action)（）steps to increase exports.
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参考答案：
举一反三
（）【单选题】在窗体上画一个命令按钮，其名称为Commandl，然后编写如下程序： Function Fonc(By Val x As Integer,y As InteSer) y=x*y If y＞0 Then Func=X； Else Func=y End If End Function Private Sub Commandl_Click() Dim a As Integer,b As Integer ...
A.
a=3 b=12 c=3
B.
a=3 b=4 c=3
C.
a=3 b=4 c=12
D.
a=13 b=12 c=12
【单选题】Successful innovations have driven many older technologies to extinction and have resulted in higher productivity, greater consumption of energy, increased demand for raw materials, accelerated flow o...
A.
He is excited about them.
B.
He is disturbed by them.
C.
He questions their usefulness.
D.
He accepts them as natural.
【单选题】第（16）空应选择（） A．effected B．affected C．damaged D．killed
A.
It is clear that some chemicals can damage the health of animals and humans. (1) , this is not the only problem that (2) be caused by the careless use of chemicals. Chemicals can also (3) the ecological balance of the environment. If the ecological balance is disturbed, the results can be (4) serious.The (5) of DDT illustrates the problem. DDT, a chemical which kills insects, at first seemed to be a perfect answer (6) many problems. It would control insects that caused dangerous diseases, (7) insects that caused billions of dollars of damage to crops every year. Governments permitted and even (8) the use of DDT. Farmers in many countries (9) to spray it on their crops. The (10) results were good. Damage to crops (11) down, and profits went up. However, the chemical had effects which the scientists didn’t see in (12) . First, it also killed insects which were the (13) enemies of the harmful insects and which were therefore beneficial to farmers. Second, and perhaps worse, DDT did not kill (14) harmful insect. A few insects had natural resistance to the chemical. They (15) and reproduced in large numbers. In a few years there were large numbers of insects which were not (16) by DDT, and there were (17) insects which Could act as natural (18) on these new "super-insects". Finally, it became clear that DDT was not solving the insect problem. In fact, it was making the problem worse. It (19) became necessary to find a second (20) for the effects of the first.
请根据以上资料，选择以下栏目的正确选项：【单选题】第（18）空应选择（） A．controls B．enemies C．choices D．means
A.
It is clear that some chemicals can damage the health of animals and humans. (1) , this is not the only problem that (2) be caused by the careless use of chemicals. Chemicals can also (3) the ecological balance of the environment. If the ecological balance is disturbed, the results can be (4) serious.The (5) of DDT illustrates the problem. DDT, a chemical which kills insects, at first seemed to be a perfect answer (6) many problems. It would control insects that caused dangerous diseases, (7) insects that caused billions of dollars of damage to crops every year. Governments permitted and even (8) the use of DDT. Farmers in many countries (9) to spray it on their crops. The (10) results were good. Damage to crops (11) down, and profits went up. However, the chemical had effects which the scientists didn’t see in (12) . First, it also killed insects which were the (13) enemies of the harmful insects and which were therefore beneficial to farmers. Second, and perhaps worse, DDT did not kill (14) harmful insect. A few insects had natural resistance to the chemical. They (15) and reproduced in large numbers. In a few years there were large numbers of insects which were not (16) by DDT, and there were (17) insects which Could act as natural (18) on these new "super-insects". Finally, it became clear that DDT was not solving the insect problem. In fact, it was making the problem worse. It (19) became necessary to find a second (20) for the effects of the first.
B.
【单选题】 A Quiet student offered room in private house. Share bath and kitchen. gas/electricity C Double room suitable 2 students sharing. Cooking facilities, share bathroom. N...
A.
B
B.
Professional couple,3 children,
C.
2,4and 6,offer single room,
D.
rent-free, to student willing to
E.
baby-sit 3 evenings weekly,
F.
occasional weekends. Live as family.
相关题目：
【单选题】在窗体上画一个命令按钮，其名称为Commandl，然后编写如下程序： Function Fonc(By Val x As Integer,y As InteSer) y=x*y If y＞0 Then Func=X； Else Func=y End If End Function Private Sub Commandl_Click() Dim a As Integer,b As Integer ...
A.
a=3 b=12 c=3
B.
a=3 b=4 c=3
C.
a=3 b=4 c=12
D.
a=13 b=12 c=12
【单选题】Successful innovations have driven many older technologies to extinction and have resulted in higher productivity, greater consumption of energy, increased demand for raw materials, accelerated flow o...
A.
He is excited about them.
B.
He is disturbed by them.
C.
He questions their usefulness.
D.
He accepts them as natural.
【单选题】第（16）空应选择（） A．effected B．affected C．damaged D．killed
A.
It is clear that some chemicals can damage the health of animals and humans. (1) , this is not the only problem that (2) be caused by the careless use of chemicals. Chemicals can also (3) the ecological balance of the environment. If the ecological balance is disturbed, the results can be (4) serious.The (5) of DDT illustrates the problem. DDT, a chemical which kills insects, at first seemed to be a perfect answer (6) many problems. It would control insects that caused dangerous diseases, (7) insects that caused billions of dollars of damage to crops every year. Governments permitted and even (8) the use of DDT. Farmers in many countries (9) to spray it on their crops. The (10) results were good. Damage to crops (11) down, and profits went up. However, the chemical had effects which the scientists didn’t see in (12) . First, it also killed insects which were the (13) enemies of the harmful insects and which were therefore beneficial to farmers. Second, and perhaps worse, DDT did not kill (14) harmful insect. A few insects had natural resistance to the chemical. They (15) and reproduced in large numbers. In a few years there were large numbers of insects which were not (16) by DDT, and there were (17) insects which Could act as natural (18) on these new "super-insects". Finally, it became clear that DDT was not solving the insect problem. In fact, it was making the problem worse. It (19) became necessary to find a second (20) for the effects of the first.
【单选题】第（18）空应选择（） A．controls B．enemies C．choices D．means
A.
It is clear that some chemicals can damage the health of animals and humans. (1) , this is not the only problem that (2) be caused by the careless use of chemicals. Chemicals can also (3) the ecological balance of the environment. If the ecological balance is disturbed, the results can be (4) serious.The (5) of DDT illustrates the problem. DDT, a chemical which kills insects, at first seemed to be a perfect answer (6) many problems. It would control insects that caused dangerous diseases, (7) insects that caused billions of dollars of damage to crops every year. Governments permitted and even (8) the use of DDT. Farmers in many countries (9) to spray it on their crops. The (10) results were good. Damage to crops (11) down, and profits went up. However, the chemical had effects which the scientists didn’t see in (12) . First, it also killed insects which were the (13) enemies of the harmful insects and which were therefore beneficial to farmers. Second, and perhaps worse, DDT did not kill (14) harmful insect. A few insects had natural resistance to the chemical. They (15) and reproduced in large numbers. In a few years there were large numbers of insects which were not (16) by DDT, and there were (17) insects which Could act as natural (18) on these new "super-insects". Finally, it became clear that DDT was not solving the insect problem. In fact, it was making the problem worse. It (19) became necessary to find a second (20) for the effects of the first.
B.
【单选题】 A Quiet student offered room in private house. Share bath and kitchen. gas/electricity C Double room suitable 2 students sharing. Cooking facilities, share bathroom. N...
A.
B
B.
Professional couple,3 children,
C.
2,4and 6,offer single room,
D.
rent-free, to student willing to
E.
baby-sit 3 evenings weekly,
F.
occasional weekends. Live as family.
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