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【简答题】
△ABC的三个角A .
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皮皮学刷刷变学霸
举一反三
【单选题】—What present shall we make Simon for his birthday? What kind of things does he like, football, pop music, model planes or ships ... ? —______ —Let's make him a model plane.
A.
It's a good idea
B.
That's it
C.
That's true
D.
That's right
【简答题】text A in lesson nine
【单选题】一般来说人体适宜的温度为( ) 湿度为 50% ~ 70% 。
A.
20 ℃ ~ 28 ℃
B.
20 ℃ ~ 18 ℃
C.
18 ℃ ~ 12 ℃
D.
12 ℃ ~ 5 ℃
【简答题】十六进制数0xaf对应的二进制数是
【简答题】text A in lesson fif
【单选题】There are _____ words in the text of the _____ Lesson.
A.
hundred of, Fifth
B.
a hundred of, Fiveth
C.
hundreds of, Fifth
D.
hundreds of, Fiveth
【单选题】This kind of bird is ___________ , and we should do what we can to it.
A.
dangerous, save
B.
endangering, protect
C.
in dangers, save
D.
in danger, protect
【简答题】text A and text B in the lesson twelve
【单选题】利用1-丁醇制备1-溴丁烷时，蒸馏出粗产物分别用水和冷的浓硫酸洗涤，再充分震荡并静置分层后，有机层（ ）
A.
都在上层
B.
都在下层
C.
水洗时在上层，浓硫酸洗时在下层
D.
水洗时在下层，浓硫酸洗时在上层
【简答题】text B in lesson fif
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