烤瓷合金中不属于贵金属合金的是A．铂B．银钯C．钯D．白金E．金

A、fixed

B、fix

C、fixing

A、It is better to tell someone to get it fixed.

B、He was so scared.

C、It’s said that Mike made a mistake and then tried to cover it up.

A．gave

B．giving

C．give

D．given

The best title for this passage would be__________

A．How to Get to Seventy

B．How to Tell a Funny Story

C．Smoking and Aging

D．My Funny Life

According to the last paragraph, when someone wants to get a ride, ______.

A．he must look like a patient

B．he'd better do it with his family

C．those who drive along may not be a good choice

D．a little money should be paid for the extra room

Which idiom means to tell someone to leave, or to tell someone to leave you alone？

A.take a rain check

B.joy ride

C.take a hike

D.keep one’s shirt on

The author aims to tell us that_________．

A． women's minds perform. better than men's

B． men's minds decline more with age

C． everyone becomes a little more forgetful as they get older

D． a survey on human's mind decline was done recently

A. to not try to

B. try not to

C. not to try to

D. to not trying