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【多选题】
熟石灰的使用形式主要有( )。
A.
石灰块
B.
石灰膏
C.
石灰颗粒
D.
镁质石灰
E.
熟石灰粉
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参考答案:
举一反三
【单选题】If there is reinforcement in the tension zone only, It is called ( ).
A.
truss
B.
Singly re i nforced beam
C.
doubly reinforced beam
D.
cantilever
【单选题】Ice that has floated from the place _________ formed is called drift ice.
A.
where it was
B.
it was where
C.
where was it
D.
where was
【单选题】It can be inferred from the passage that the 'colonialist' approach is so called because its practitioners
A.
support Puerto Rico's commonwealth status
B.
have a strong tradition of cultural accommodation
C.
emphasize the class relations at work in both Puerto Rican and North American history
D.
regard the political relation of Puerto Rico to the United States as a significant factor in the experience of Puerto Ricans
【简答题】Hi! My name is Robert and I live in Chicago. My school is called Parkside Elementary.  It is Jake and Elizabeth’s school too.  Michael and Trevor’s school is called Lincoln Middle School.  In the USA ...
【单选题】--Have you watched the film which is called One Step Away? I think it is worth watching. --Yes, I was _____when I watched it.
A.
intrerested
B.
angry
C.
moved
D.
happy
【简答题】My name is Tom. I like chatting on the Internet. I have lots of friends online. I am from the USA. I live in New York. Now it is 4:00 here. I have a Chinese friend called Zhang Lin. It is 16:00 in Chi...
【简答题】阅读理解。 My name is Katrina. I live in a tall building in Beijing. It is in a busy street called Wangfujing Street. On the left of my house, there is a beautiful park. Many people like playing in the par...
【判断题】在桥式半控整流电路中,带大电感负载,不带续流二极管时,输出电压波形中会出现负面积。
A.
正确
B.
错误
【简答题】用于制造无烟火药的棉短绒
【判断题】在桥式半控整流电路中,带大电感负载,不带续流二极管时,输出电压波形中没有负面积。
A.
正确
B.
错误
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