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【判断题】
装卸搬运设备按作业性质进行分类,可分为装卸设备、搬运设备和装卸搬运设备。
A.
正确
B.
错误
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举一反三
【单选题】行业标准的字母简写
A.
GB;
B.
FZ ;
C.
QB ;
D.
EN
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【单选题】可逆反应A(g)+3B(g) ⇌2C(g)+ 2D(s)为一放热反应,达到平衡后,要使正反应速率加快,同时平衡向正反应方向移动,可采取的措施是
A.
增大压力
B.
增大D的浓度
C.
使用催化剂
D.
升高温度
查看完整题目与答案
【单选题】正反应为吸热反应的可逆反应AB(g) ⇌ A (g) + B(g)达到平衡后,欲使平衡向正反应方向移动,需要采取的措施是( )
A.
降低温度和增大压力
B.
升高温度和增大压力
C.
升高温度和减小压力
D.
降低温度和减小压力
查看完整题目与答案
【单选题】绞缆过程中,一名水手应握住卷筒上缆绳的自由端,站在距离卷筒后方约 处。
A.
1米
B.
1.5米
C.
0.5米
D.
2米
查看完整题目与答案
【单选题】We have not obtained very much experiment data ______ conclusion between the two possibilities.
A.
on which to base
B.
to base on
C.
which is based on
D.
to be based on
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【简答题】Olaf Stapledon wrote a book called First and Last Men, in which he looked millions of years ahead. He told of different men and of strange civilisations（文明）, broken up by long 'dark ages' in between. ...
查看完整题目与答案
【单选题】The intelligence department was accused of failure to ( ) the troops to the possibility of an enemy attack during the weekend.
A.
instruct
B.
warn
C.
dictate
D.
alert
查看完整题目与答案
【单选题】With the ___, the customer kills off the downside risk and keeps the upside possibility.
A.
shares
B.
option
C.
stocks
D.
futures
查看完整题目与答案
【单选题】Which of the following is true of Livingston?
A.
He thinks he has discovered a new possibility in the link between sun spots and the weather on the Earth.
B.
He has great doubts about the theory that the sun' s frequent changes have an influenced on the Earth' s climate.
C.
He has been recently informed by other scientists of the possibility that more sun spots will appear.
D.
He does not think the causes of the sun spots will be fully revealed by scientists in the near future.
查看完整题目与答案
【单选题】可逆反应A(g)+3B(g)⇌2C(g)+2D(s)为一放热反应,达到平衡后,要使正反应速率加快,同时平衡向正反应方向移动,可采取的措施是( )
A.
增大压强
B.
增大D的浓度
C.
使用催化剂
D.
升高温度
查看完整题目与答案
相关题目：
【单选题】行业标准的字母简写
A.
GB;
B.
FZ ;
C.
QB ;
D.
EN
查看完整题目与答案
【单选题】可逆反应A(g)+3B(g) ⇌2C(g)+ 2D(s)为一放热反应,达到平衡后,要使正反应速率加快,同时平衡向正反应方向移动,可采取的措施是
A.
增大压力
B.
增大D的浓度
C.
使用催化剂
D.
升高温度
查看完整题目与答案
【单选题】正反应为吸热反应的可逆反应AB(g) ⇌ A (g) + B(g)达到平衡后,欲使平衡向正反应方向移动,需要采取的措施是( )
A.
降低温度和增大压力
B.
升高温度和增大压力
C.
升高温度和减小压力
D.
降低温度和减小压力
查看完整题目与答案
【单选题】绞缆过程中,一名水手应握住卷筒上缆绳的自由端,站在距离卷筒后方约 处。
A.
1米
B.
1.5米
C.
0.5米
D.
2米
查看完整题目与答案
【单选题】We have not obtained very much experiment data ______ conclusion between the two possibilities.
A.
on which to base
B.
to base on
C.
which is based on
D.
to be based on
查看完整题目与答案
【简答题】Olaf Stapledon wrote a book called First and Last Men, in which he looked millions of years ahead. He told of different men and of strange civilisations（文明）, broken up by long 'dark ages' in between. ...
查看完整题目与答案
【单选题】The intelligence department was accused of failure to ( ) the troops to the possibility of an enemy attack during the weekend.
A.
instruct
B.
warn
C.
dictate
D.
alert
查看完整题目与答案
【单选题】With the ___, the customer kills off the downside risk and keeps the upside possibility.
A.
shares
B.
option
C.
stocks
D.
futures
查看完整题目与答案
【单选题】Which of the following is true of Livingston?
A.
He thinks he has discovered a new possibility in the link between sun spots and the weather on the Earth.
B.
He has great doubts about the theory that the sun' s frequent changes have an influenced on the Earth' s climate.
C.
He has been recently informed by other scientists of the possibility that more sun spots will appear.
D.
He does not think the causes of the sun spots will be fully revealed by scientists in the near future.
查看完整题目与答案
【单选题】可逆反应A(g)+3B(g)⇌2C(g)+2D(s)为一放热反应,达到平衡后,要使正反应速率加快,同时平衡向正反应方向移动,可采取的措施是( )
A.
增大压强
B.
增大D的浓度
C.
使用催化剂
D.
升高温度
查看完整题目与答案