皮皮学，免费搜题
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【多选题】
预应力先施工不适用于( )A.
现场大跨度结构施工
B.
构件厂生产大跨度构件
C.
构件厂生产中小型构件
D.
现场构件的组拼
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皮皮学刷刷变学霸
举一反三
【单选题】Listen and choose. Put your ____ ____ the pencil-case.
A.
pen, in
B.
pencil, in
C.
ruler, beside
【判断题】Consonants vary depending on where and how the air stream gets through, the place and movement of the tongue, and also whether the voice is used or not.()
A.
正确
B.
错误
【单选题】Do you have to use a pen or a pencil?
A.
pen
B.
pencil
C.
check with your test center
D.
unanswered
【单选题】If the air stream meets with no obstruction when a sound is pronounced, it is a(n)
A.
voiced consonant.
B.
voiceless consonant
C.
vowel.
D.
explosive.
【简答题】给物品贴标签。 ① pen ② ruler ③ book ④ pencil ⑤ eraser ( ) ( ) ( ) ( ) ( )
【简答题】Stream of air
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