网友您好， 请在下方输入框内输入要搜索的题目：

题目内容 （请给出正确答案）

They took ____________ measures to prevent poisonous gases from escaping.

A、efficient

B、beneficial

C、valid

D、effective

参考答案

更多 “ They took ____________ measures to prevent poisonous gases from escaping.A、efficientB、beneficialC、validD、effective ” 相关考题
考题 As Kate's close friend, I introduce an interesting book to her in order to ______ her from what she is worrying about. A. attractB. distractC. directD. prevent
查看答案
考题 Can we ever _____ hunger from the world?A. eliminate B. throw C. stop D. prevent
查看答案
考题 Many are sleeping in the open because they have no () . A、safeB、shelterC、shroudD、prevent
查看答案
考题 4．It __________ eight years to build the Dam(大坝) from 1998 t0 2006．A．spendsB．costsC．paidD．took
查看答案
考题 Damage to cargo caused by fumes or vapors from liquids，gases，or solids is known as ______.A.contaminationB.oxidationC.taintingD.vaporization
查看答案
考题 My friend's reply was courteous but firm.A:efficient B:respectable C:well-informed D:respectful
查看答案
考题 The game requires us to find out two simple but effective ways to solve this problem.A: efficient B: clever C: stupid D: easy
查看答案
考题 It was courteous of him to help the old lady with her bundles.A:efficient B:respectable C:well-informed D:respectful
查看答案
考题 The hotel staff are friendly and courteous.A:efficient B:respectable C:well-informed D:respectful
查看答案
热门标签
最新试卷