皮皮学，免费搜题
登录
搜题
【多选题】
供热管道常用的的阀门形式有( )。A.
截止阀
B.
闸阀
C.
蝶阀
D.
止回阀
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The tone of this passage may be considered as ______.
A.
humorous
B.
serious
C.
fantastic
D.
ridiculous
【简答题】The best title for this passage may be __________.
【单选题】The best title for this passage may be ______.
A.
The Ancestors of Modem Kites
B.
The History of the Chinese Kites
C.
Different Types and Uses of Kites
D.
The Differences between Ancient and Modem Kites
【单选题】The best title for this passage may be _____.
A.
People Should Find a Job
B.
Working Hard Is Good for Health
C.
People Should Make More Friends by Work
D.
The Loss of Word Means the Loss of Everything
【单选题】The best title for this passage may be .
A.
Not the End But the Beginning
B.
Which Is the Best: Train, Motorcar or Plane?
C.
Trains Are More Competitive than Motorcars or Plane
D.
Oh, Super fast Trains
【简答题】在安全评价的相关性原理中，系统的基本特征包括（ ）。
【单选题】This passage may be a ______.
A.
job advertisement
B.
film poster
C.
term paper
D.
school notice
【单选题】This passage may be adopted from
A.
a book review
B.
the preface to a book
C.
the lecture on a book
D.
the advertisement of a book
相关题目：