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【单选题】
当双活塞杆液压缸的缸体固定, 活塞杆与运动件固连时,其运动件的运动范围等于液压缸有效行程的( )。A.
一倍
B.
二倍
C.
三倍
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举一反三
【单选题】Bruce majors in Vehicle Repairing and he is an intern at a garge, so his future job may be an___________.
A.
construction worker
B.
auto mechanic
C.
Cooker
D.
waiter
【简答题】选择合适的单词填空,如有必要需进行变形 备选词语: extraordinary challenging suggestion shelter ually succeed addicted energy commitment inspire 1) It's a________________job and demands great courage. 2) We...
【简答题】听下面一段材料, 回答第1至3 题. 1. What had gone wrong in their house? A. Their washing machine B. The electricity. C. The lights. 2. Which of the following is true? A. Mr. Black did nothing for them at all. B. Mr...
【单选题】在花 期控制处理阶段,应该控制施用粉料 的种类及施用量, 在花前应增施( ),可使观赏凤梨的花更大,颜色更加鲜艳。
A.
磷、钾肥
B.
氮肥
C.
硫酸亚铁
D.
末腐熟的有机肥
【简答题】Complete the sentences with the proper words in the box. Change the forms if necessary. 1) It’s a ______________ job and demands greatcourage. 2) We ______________in repairing the enginewith their hel...
【单选题】( ) His job is ______ mobile phone.
A.
repaired
B.
to repairing
C.
repairing
D.
repaired to
【简答题】根据汉语提示写出所缺单词。 1. John will choose a part-time job _________ ( 相关的 ) to his major. 2. Most of the agers can arrange their time _________ ( 自由地 ) during their holidays. 3. What activities will you t...
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