题目内容

Japanese firms are competing in the production of robots specifically ______.

A. used in car factories
B. used in hospitals
C. helping the old people
D. helping the school kids

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已知普通混凝土的试配强度为38.2MPa，水泥实际抗压强度为48MPa。粗骨料为碎石 (A＝O.46，B＝0.07)，则其水灰比应为()。

A. 0.44
B. O.56
C. 1.8
D. 0.58

A．competitiveB．rewardingC．routineD．formidable

A. competitive
B. rewarding
C. routine
D. formidable

The "formulas "mentioned in paragraph 3 of the passage most probably refers to ______.

A. movie theaters
B. use of real characters
C. contemporary events
D. standardized film techniques

He was afraid the others might think he was showing______or being superior.

A. in
B. up
C. out
D. off