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【单选题】
锅炉与舱壁间的拉牵不易过分紧张,以保证锅炉( )。A.
工作受热后能自由膨胀变形
B.
工作巡回检查便利
C.
不发生倾倒
D.
不影响船体强度
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举一反三
【简答题】可以直接将球踢入对方球门得分的任意球称为 。
【单选题】According to the passage, how did the Bessemer method make the mass production of steel possible?
A.
It directed air at melted iron in a furnace, removing all impurities.
B.
It slowly heated iron ore, then stirred it and heated it again.
C.
It changed iron ore into iron, which was a substitute for' steel.
D.
It could quickly find deposits of iron ore under the ground.
【简答题】听对话、短文和问题，选择正确答案。 1. What are they talking about? A. How to make apple juice. B. How to make a blender. C. How to make milk shake. 2. How do they make it? A. First cut up the apples, then put them in ...
【简答题】已知矩阵 ， （1）求逆矩阵 ；（2）若矩阵 满足 ，试求矩阵 ．
【单选题】One reason for her ________ for city life is that she can have easy access to places like shops and restaurants.
A.
reference
B.
preference
C.
performance
D.
consequence
【简答题】书面表达. 根据下面的表格提示,以How to Make Fruit Salad?为题写一篇短文,开头已给出. Ingredient banana apple pear watermelon honey yogurt Amount one one one one two teaspoons one cup How to Make Fnut Salad? I like fruit salad ver...
【单选题】DHCP客户端采用什么手段同DHCP服务器通信()。
A.
知道DHCP服务器的地址，所以直接访问DHCP服务器
B.
通过DNS查到DHCP服务器的主机名，然后可以直接同DHCP服务器通信
C.
通过UDP广播，通知DHCP服务器
D.
以上都不对
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