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问题 选择题

为研究光合作用，生物小组同学把菠菜叶磨碎分离出细胞质基质和全部叶绿体。然后又把部分叶绿体磨碎分离出叶绿素和叶绿体基质，分别装在四支试管中，并给予光照，则能检测到光合作用的光反应过程的是

[ ]

A．A　　　　

B．B　

C．C　　

D．D

答案

答案：B

单项选择题

出口信贷通常只能提供设备价款______的贷款，其余价款需要由进口商以现金支付。

A．75%

B．80%

C．85%

D．90%
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翻译题

完成句子。

1. She is such a good student that all the teachers _____ (高度评价) him. (think)

2.  Because of hard work, he _____ (成功通过) the final exam. (succeed)

3. They_____ (遇上了暴风雪)the snowstorm when they were doing some research

    in the west mountains. (catch)

4. This is the best film _____ (我看过的). (see)

5. The girl _____ (腿断了的女孩) was carried to a nearby hospital. (break)

6. This play_____ (使我想起)the war years. (remind)

7. The classroom looks beautiful, _____ ( 种了很多树) and flowers around. (with)

8.  Have you ______ (邀请参加演出) at the New Year's concert? (perform)

9.  _____ (是我的错) that your new cellphone was stolen. (fault)

10.  An essay-writing competition _____ (举行) in Beijing at present. (hold)

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