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【单选题】
Using smartphones can ( ) students' excitement about the subject.A.
add
B.
adding
C.
add to
D.
added
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】It may be inferred from the passage that ______.
A.
bacteria can be most easily killed by removal of moisture.
B.
drying out a house will eliminate the risk of airborne infection.
C.
hot-air heating is better than steam heating because steam heating uses water.
D.
none of the above.
【单选题】They're making efforts to ( )their normally cumbersome bureaucracy.
A.
streamline
B.
plunge
C.
descent
D.
smash
【判断题】施工时通常采用小样板来操平找正地脚螺栓。小样板是由一块比立柱模板上口对角线稍长一点的木板或钢板制成,宽度约20cm左右(视地脚螺栓而定),其厚度一般为3~4cm。
A.
正确
B.
错误
【简答题】( ) has a pH normally falling between 6.5 and 6.7, which is suitable for bacteria grow.
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