A．Crude attempts were made to educate them.B．They were used for medical experiments.C．
A. Crude attempts were made to educate them.
B. They were used for medical experiments.
C. They were used as laborers.
D. They were locked away like criminals.
查看答案
城市桥梁工程沉桩施工场地应平整坚实，坡度不大于()。
A. 4%
B. 3%
C. 2%
D. 1%
如图，已知A(100m，100m)、B(200m，200m)，方位角a0＝45°。测量A点到户的水平距离 D＝38m，观测水平角β＝52°。界址点户的坐标的计算结果是()。
A. (126.87m，126.87m)
B. (123.40m，129.94m)
C. (95.37m，137.72m)
D. (195.37m，237.72m)
A．madeB．calledC．askedD．read
A. made
B. called
C. asked
D. read
【B13】
A. positive
B. passive
C. dull
D. boring
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