The construction workers had to lie ______ for half a month as the rainy season set ______.
A. off, in
B. out, out
C. in, off
D. off, to
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工程定额计价制度改革第二阶段的核心问题是( )的改革。
A. 量价分离
B. 量价结合
C. 工程造价计价方式
D. 工程量计量方式
Would you please open the windows and let in ______ air I feel suffocated.
A. some
B. any
C. the
D. /
骨肉瘤的临床表现为
A. 生长缓慢
B. 无明显疼痛
C. 表面皮肤温度高
D. 本身无症状,但可压迫周围组织,影响功能
E. X线呈肥皂泡样改变
I would appreciate ______ me through the post.
A. you to write
B. to you writing
C. your to write
D. your writing to