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【判断题】
车载式颠簸累积仪测试速度以32~50km/h为宜,一般不宜超过80km/h。车速越高,VBI测值越大。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【简答题】We keep it to keep the door.
【简答题】We don’t keep winning s _______ we keep playing well. A. because B. unless C. when D. while
【单选题】We don’t keep winning games _______ we keep pla
A.
2. We don’t keep winning games _______ we keep playingwell. （浙江） A.because
B.
unless
C.
when
D.
while
【单选题】Now people can with their friends far away by e–mail, cellphone or letter.
A.
keep on
B.
keep in touch
C.
keep up
【单选题】We now ______ him by writing letters.
A.
keep away from
B.
keep on
C.
keep in touch with
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