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【判断题】
T形和Y形机头主要用于橡胶的包覆性挤出。A.
正确
B.
错误
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举一反三
【单选题】My father bought a desk for me. It is ________wood. [ ]
A.
made of
B.
made from
C.
made into
D.
made up of
【单选题】What the teacher said made the father __________. 查看材料
A.
angry
B.
worried
C.
sad
D.
tired
【单选题】Which of the following statements is NOT made by the countries in the Summit?
A.
They promised to lower the food prices.
B.
They promised to make efforts to relieve the hunger issue.
C.
They promised to help developing countries get more independent.
D.
They promised to increase aid for agriculture.
【单选题】The twins made a special meal for _____father on Father’s Day.
A.
they
B.
their
C.
them
【简答题】在下列四组投影图中,直线AB与CD一定垂直相交的是 。
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