小张的《特种设备作业人员证》全国有效,小张在批准范围内作业,单位领导无权干涉。

题型:判断题

问题:

小张的《特种设备作业人员证》全国有效,小张在批准范围内作业,单位领导无权干涉。

考点:起重机操作证考试桥门式起重机司机桥门式起重机司机题库
题型:判断题

某溶液中加入铝粉有氢气产生,该溶液中一定可以大量共存的离子组是:

[     ]

A.Na+、NO3-、Cl-、SO42-

B.Na+、K+、Ba2+、HCO3-

C.Fe3+、H+、SO42-、Cl-

D.Na+、K+、Cl-、SO42-

题型:判断题
两个连续的自然数相加,和是(  )
A.奇数B.偶数C.不一定
题型:判断题

根据句子意思,用括号内所给中文或英语的适当形式填空

1. The foreigners under the tree are from_________________(Asia) countries.

2. It's__________________(surprise) to see my favourite star in the street.

3. The bus was __________________(crowd) with the students from Shuren School.

4. The _______________( salesman) wives are talking with each other happily.

5. The radio ______________(spread) the bad news as soon as it happened.

6. Are you for or _____________(反对) the plan.

7. There was a long _________________(沉默) before she answered the question.

8. Laziness is one of the most dangerous____________________(敌人).

9. The film industry is ___________________(发展) very quickly.

10.Someone of great charm has an________________(有吸引力的) quality.

题型:判断题

什么是单斗挖掘机的挖掘半径,最大挖掘半径,地面最大挖掘半径?

题型:判断题

血液凝固是诸多凝血因子逐个被激活的()

A.合成反应

B.聚合反应

C.联接反应

D.酶促反应

E.混合聚集反应

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