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【单选题】
使用干燥箱和恒温箱应注意的事项有:
A.
使用前检查电源，要有良好的接地线
B.
箱内应保持清洁，放物网篮不得有锈，否则影响待干燥物品的洁净度
C.
塑料、有机玻璃制品的加热温度不能超过60℃，玻璃制品的温度不能超过80℃，使用温度不能超过干燥箱的最高允许温度，用毕要及时切断电源
D.
以上都对
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参考答案：
举一反三
【单选题】Was it a famous film star _______ he met a week ago?
A.
which
B.
whom
C.
that
D.
what
查看完整题目与答案
【单选题】It is a sign of good manners () .
A.
to thank your host at the end of the meal and tell him that you had a plentiful meal
B.
to thank your host during the meal
C.
to thank your host at the end of the meal
D.
to tell the host that you had a plentiful meal
查看完整题目与答案
【单选题】Was it a famous film star______ he met a week ago?
A.
which
B.
whom
C.
what
D.
that
查看完整题目与答案
【单选题】According to the professor, what is the sign that a good working relationship has been established in Scandinavia?
A.
The invitations business people receive from their colleagues.
B.
Three cups of tea or coffee are presented in offices and during social calls.
C.
Business people connect with tangibles and colleagues exchange presents.
D.
Visitors needn't take flowers or other unusual delicacies.
查看完整题目与答案
【简答题】Blackbird (画眉) ★A good sign ★Paradise ★Magic Seeing a blackbird for most is a good sign. It can also mean shyness and insecurity, which directly means a lack of self-confidence. The color black, as we...
查看完整题目与答案
【判断题】“嵌段”共聚的共聚物组成曲线形状为反“S”形。( )
A.
正确
B.
错误
查看完整题目与答案
【多选题】社会资本再生产运动与单个资本再生产运动相比较
A.
它不仅包含预付资本运动，而且包含剩余价值运动
B.
它不仅包含生产消费，而且包含生活消费
C.
它不仅包含资本流通，而且包含一般商品流通
D.
在单个资本再生产运动中作为外部条件的货币资本转化为生产资本、商品资本转化为货币资本，即狭义的流通过程中的实物替换和价值补偿，可以假定它们顺利而正常地实现；但在社会资本再生产运动中，这些条件，却由外部条件转化为内部因素，成为必须解决的核心问题。
查看完整题目与答案
【多选题】社会政策主体的特点包括（ ）。
A.
主动性
B.
被动性
C.
多元性
D.
单一性
E.
权威性
查看完整题目与答案
【单选题】---Why not take ____ umbrella with the sign “Made in China”? It’s ____ useful one. --- What ____ good advice.
A.
an; an; a
B.
an; a; /
C.
a; an; a
D.
/; an; a
查看完整题目与答案
【单选题】The man didn’t see the sign “ No smoking”, for _______ of his eyes was near-sighted.
A.
both
B.
none
C.
neither
D.
either
查看完整题目与答案
相关题目：
【单选题】Was it a famous film star _______ he met a week ago?
A.
which
B.
whom
C.
that
D.
what
查看完整题目与答案
【单选题】It is a sign of good manners () .
A.
to thank your host at the end of the meal and tell him that you had a plentiful meal
B.
to thank your host during the meal
C.
to thank your host at the end of the meal
D.
to tell the host that you had a plentiful meal
查看完整题目与答案
【单选题】Was it a famous film star______ he met a week ago?
A.
which
B.
whom
C.
what
D.
that
查看完整题目与答案
【单选题】According to the professor, what is the sign that a good working relationship has been established in Scandinavia?
A.
The invitations business people receive from their colleagues.
B.
Three cups of tea or coffee are presented in offices and during social calls.
C.
Business people connect with tangibles and colleagues exchange presents.
D.
Visitors needn't take flowers or other unusual delicacies.
查看完整题目与答案
【简答题】Blackbird (画眉) ★A good sign ★Paradise ★Magic Seeing a blackbird for most is a good sign. It can also mean shyness and insecurity, which directly means a lack of self-confidence. The color black, as we...
查看完整题目与答案
【判断题】“嵌段”共聚的共聚物组成曲线形状为反“S”形。( )
A.
正确
B.
错误
查看完整题目与答案
【多选题】社会资本再生产运动与单个资本再生产运动相比较
A.
它不仅包含预付资本运动，而且包含剩余价值运动
B.
它不仅包含生产消费，而且包含生活消费
C.
它不仅包含资本流通，而且包含一般商品流通
D.
在单个资本再生产运动中作为外部条件的货币资本转化为生产资本、商品资本转化为货币资本，即狭义的流通过程中的实物替换和价值补偿，可以假定它们顺利而正常地实现；但在社会资本再生产运动中，这些条件，却由外部条件转化为内部因素，成为必须解决的核心问题。
查看完整题目与答案
【多选题】社会政策主体的特点包括（ ）。
A.
主动性
B.
被动性
C.
多元性
D.
单一性
E.
权威性
查看完整题目与答案
【单选题】---Why not take ____ umbrella with the sign “Made in China”? It’s ____ useful one. --- What ____ good advice.
A.
an; an; a
B.
an; a; /
C.
a; an; a
D.
/; an; a
查看完整题目与答案
【单选题】The man didn’t see the sign “ No smoking”, for _______ of his eyes was near-sighted.
A.
both
B.
none
C.
neither
D.
either
查看完整题目与答案
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