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【单选题】
每一层门一个用于紧急救援时手动开门的三角形（）装置。A.
开锁
B.
开门
C.
关门
D.
触板
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反馈参考答案：
举一反三
【单选题】关于婴儿胸围的说法下列正确的是( )
A.
新生儿胸围约为34cm
B.
1岁婴儿头围胸围相等
C.
1岁婴儿胸围约40cm
D.
1岁婴儿胸围约46cm
E.
1岁以后婴儿胸围超过头围,其差数约为婴儿岁数减0.5
【简答题】Listen to a dialogue between David and George and answer the following questions.
【简答题】Listen to a dialogue between Amy and Bryan and answer the following questions.
【简答题】Listen to a dialogue and do the following multiple choice exercises.
【简答题】Listen and select.Listen to a dialogue and do the following multiple choice exercises.
【简答题】Listen to a dialogue between Cole and a HR manager in his company and answer the questions below.
【简答题】listen to a dialogue and then fill in the blanks.
【简答题】Task 3 Dialogue Listen to a dialogue between Sam and Dick and answer the following questions.
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