Would you mind ______ down and wait for a few more minutes?
A.sitting
B.to sit
C.to have sat
D.sit
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They have all got up, and _______.
A.so has Tom
B.Tom has too
C.Tom hasn't
D.also has Tom
岩体的基本质量等级分类时主要考虑下述()因素。()
A. 风化程度
B. 坚硬程度
C. 完整程度
D. 岩石成因
You go first and I 'll ______.
A. chase
B. hunt
C. follow
D. track
考虑岩土工程勘察等级时,其评定标准包括下述()方面。()
A. 工程重要性等级
B. 工程投资额
C. 场地复杂程度等级
D. 地基复杂程度等级