问题
选择题
________ of the people took part in the running race with disappointment, though it was likely
that they can’t get a reward.[ ]
A. Majority
B. The majority
C. Minority
D. The minority
答案
答案:B
________ of the people took part in the running race with disappointment, though it was likely
that they can’t get a reward.[ ]
A. Majority
B. The majority
C. Minority
D. The minority
答案:B
分为四组,任选一组作答。每题的备选项中,只有1个最符合题意。
矿山安全技术 |
( )是利用矿井主要通风机的风压,借助导风设施把新鲜空气引入掘进工作面。
A.引射器通风
B.混合式通风
C.抽出式通风
D.全风压通风