Environmental factors such as chemical treatments have a bad effect on the hair in the long nm.
A. 环境因素,比如化学处理等对头发都不好。
B. 从长远来看,环境,化学处理对头发都有影响。
C. 从长远来看,头发被化学等因素的影响是很坏的。
D. 从长远来看,环境因素,比如化学处理对头发都有不好的影响。
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Mary had an ______; she' s been knocked down by a taxi.
A. event
B. occurrence
C. accident
D. incident
50年後の地球環境はどうなる( )誰にも分かりません。
A. が
B. か
C. を
D. で
— Would you like to go to Hawaii to spend our holidays — Well, I'd like to, ______ I have to stay with my sick sister.
A. but
B. and
C. however
有关急性心梗的诊断正确的是
A. 超急性期就可在心电图上发现宽而深的Q波
B. 面向坏死区的导联上出现弓背向上型的ST段压低
C. 面向心肌梗死的导联出现R波振幅的升高
D. 面向损伤区周围心肌缺血区的导联上发现T直立
E. 胸痛伴新出现的左束支阻滞