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【单选题】
暗视野显微镜常用来观察细菌的A.
染色性
B.
内部结构
C.
膜
D.
菌毛
E.
动力
手机使用
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举一反三
【简答题】Read the following paragraphs and decide which sentence does not support the topic sentence. Paragraph A 1. The world has enjoyed many benefits from the invention of the telephone. 2. First of all, it...
【简答题】A machine which makes water out of air could become the greatest household invention since the microwave． Using the same technology as a dehumidifier (除湿器)， the Water Mill is able to create a ready su...
【简答题】C A gadget which makes water out of air could become the greatest househo1d invention since the microwave. Using the same technology as a dehumidifier（除湿器），the Water Mill is able to create a ready sup...
【单选题】Which does not belong to the reasons of culture changes?
A.
Discovery
B.
Invention
C.
Diffusion
D.
Confusion
【单选题】Choose the item which does not normally go with the key word. (选出下列搭配不当的一项,注意:选出搭配不当的一项。)
A.
to register an invention
B.
to come up with an invention
C.
to compete an invention
D.
to patent an invention
【单选题】Which invention does the man think changesd the world most?
A.
The car
B.
The phone
C.
The computer
D.
The light bulb
【简答题】听对话，选出问题的正确答案。 1. Which invention does the woman think is the most important? A. The alarm clock. B. The computer. C. The light bulb. 2. When was the telephone invented? A. In 1768. B. In 1876. C. In ...
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