A．cheerB．chestC．chemistD．cheat
A. cheer
B. chest
C. chemist
D. cheat
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The Summer Palace is the desirable place______we long for.
A. where
B. in which
C. that
D. what
A．A vacation trip to Yellowstone Park.B．A lecture by a visiting professor.C．Her biolog
A vacation trip to Yellowstone Park.
B. A lecture by a visiting professor.
C. Her biology thesis.
D. A research project.
A．It's useless.B．It's unnecessary.C．It's doubtful.D．It's helpful.
A. It's useless.
B. It's unnecessary.
C. It's doubtful.
D. It's helpful.
在目前我国常用的热轧钢筋中，()又常称新m级钢，是我国规范提倡使用的钢筋品种。
A. HPB235
B. HPB300
C. HRB335
D. HRB400
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