Mrs Smith is ____ friend of __.

Mrs Smith is a friend of ______.

A．John's mother

B．mother of John

C．John's mother's

Where’S Mrs Smith now according to the man？[A]In the school．[B]In a shop．[C]He doesn’t know．

W: No, it's quite all right. I can manage. Thank you for offering, though.

Q: How does Mrs Smith respond？

(13)

A．She says she doesn't mind if the man carries the case.

B．She is angry when the man offers to carry the case.

C．She refuses the help.

D．She thanks the man and accepts his offer.

A.MRS递碱

B.MRS趋向无穷大

C.MRS是个常数

D.MRS递增

A．It is run by Mrs Winter"s husband.

B．It hires Mrs Winter as an adviser.

C．It gives a 30% discount to all customers.

D．It encourages husbands to shop alone.

Mrs Brown decided to have the picnic in a certain meadow without much thought.

A．Y

B．N

C．NG

A．He was attracted by Mrs Jones.

B．He had heard a noise.

C．He had run out of gas.

D．His tyros were punctured.

聚乙烯管材焊接前应进行检查，以确保其直径、SDR和MRS及公差均符合规定。()