In order to look after her sick son, the old lady asked for a month's ______.

A.law and order

B.for ever

C.look at

D.check it out

A.try out

B.look out

C.take out

D.carry out

A.law and order

B.for ever

C.look at

D.check it out

A. take up

B. make up

C. look up

D. keep up

– Look, 25% off. The $2,500 camera is on sale today.– ().

A. The camera is of high quality

B. That's very kind of you

C. My camera is out of order now

D. Yeah, a surprising bargain. I'll buy it

ansported on a barge，you should look at the ______.

A.Certificate of Inspection

B.loading order

C.rules and regulations for tank vessels

D.tankerman's document

In order to keep error to a minimum，we are advised to_________．

A.separate our emotions from what we see

B.improve our memory of what we see

C.get a better look at what we are interested in

D.concentrate on what makes US relaxed

A.In order to investigate the reason for the decrease of learning efficiency, a comparative study was conducted between the experimental group and the control group.###SXB###B.In order to look into the reason for the decrease of learning efficiency, we conducted a comparative study between the experimental group and the control group.###SXB###C.无###SXB###D.无