---Imagination important in science, and it helps us dream up our future.---
题型：不详难度：来源：
---Imagination important in science, and it helps us dream up our future.
---You are definitely right. If only something allow me to see insects and spiders magnified without getting close to them.| A．was; would | B．is; will | C．will be; can | D．is ;could |
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答案
| D |
解析
| 第一空是陈述客观真理， 所以用一般现在时态；第二空是虚拟语气，与现在事实相反，用过去式，选D |
举一反三
President Hu Jintao urged that every effort to rescue and treat the injured when the earthquake happened in Sichuan this year．| A．is made | B．must be made | C．should make | D．be made |
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One of the requirements for a fire is that the material ____ to its burning temperature.| A．is heated | B．be heated | C．would be heated | D．do heat |
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—My brother gets the first prize for computer in our city today.
—I am sure he be a very smart student.| A．could | | B．should | | C．might | | D．must |
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The little girl ,but her family was too poor at that time.| A．could go to school | | B．could have gone to school | | C．must have gone to school | | D．can have gone to school |
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They are talking about England they had been there for years.| A．as if | | B．even if | | C．like | | D．because |
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