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【判断题】
国家标准规定，齿轮分度圆上的压力角为标准值a=20°。()A.
正确
B.
错误
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举一反三
【单选题】----Why do you like this play? -- ______ it's funny.
A.
because
B.
Because
C.
So
D.
For
【单选题】— Why do you like this game? — Because it's ________. [ ]
A.
bad
B.
boring
C.
sad
D.
exciting
【单选题】----Why do you like this play? -- ______ it's funny.
A.
because
B.
Because
C.
So
D.
For
【单选题】—Of all your coats, why do you like this one best? —Because it’s _________ than the others.
A.
much beautiful.
B.
more expensive.
C.
much cheap.
D.
much more beautiful.
【简答题】drainage
and sewer lines
【单选题】有关右旋糖酐的说法不正确的是
A.
右旋糖酐分子量大，不易渗出血管，可提高血浆胶体渗透压，从而扩充血容量，维持血压
B.
其作用强度与维持时间依中、低、小分子量而逐渐缩小
C.
各类右旋糖酐铁主要用于低血容量休克，包括急性失血、创伤和烧伤性休克
D.
低分子右旋糖酐不能改善微循环，抗休克效应不好
E.
少数患者用药后出现皮肤过敏，极少数可出现过敏性休克
【简答题】Try to describe the development history of sewer30. 2. What is sewerage system? What is the difference between separate sewer and combined sewer70?
【单选题】-Why do you like this picture? - ___ .
A.
Because it's beautiful.
B.
I like it too.
C.
Because it's enough.
【多选题】What elements of culture can be found in festivals?
A.
myths and legends
B.
religions and rites
C.
foods and drinks
D.
arts and crafts
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