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【多选题】
对于白细胞计数描述正确的是A.
月经前、妊娠、分娩等可引起白细胞计数生理性减少
B.
流行性感冒可引起白细胞计数增多
C.
新生儿及婴儿的白细胞计数明显高于成人的白细胞计数
D.
应用磺胺类药物、解热镇痛药、部分抗生素可以引起白细胞计数的减少
E.
影响白细胞计数的因素较多，其总数高低于正常值均为异常现象，必要结合白细胞分类计数和白细胞形态等指标综合判断
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【单选题】One day Jack's wife was cleaning the house. 'Look at all these umbrellas (雨伞) ,' Jack's wife said to him. 'There are eight and they are broken.' 'I'll take them all to the umbrella shop. Maybe the wor...
A.
She was doing some washing.
B.
She was doing some cleaning.
C.
She was doing some shopping.
【单选题】Look! Emma is_______ her bedroom. Her room is always_________.
A.
clean, clean
B.
clean, cleaning
C.
cleaning, clean
D.
cleaning, cleaning
【单选题】Peter said,“jack,clean the room at once.” Peter ______the room at once.
A.
Asked jack to clean
B.
Asks jack to clean
C.
Asked jack clean
D.
Asks jack clean
【单选题】Look! The students ______ the classroom. [ ]
A.
clean
B.
are cleaning
C.
are clean
D.
cleaning
【单选题】Tom was playing football on the road. A car was coming, Jack called to Tom, 'Look out!'. Here 'look out' means ______. [ ]
A.
向外看
B.
当心
C.
向前看
D.
抬头看
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