4． They are_________ food to the homeless．

A． give off

B． give out

C． giving off

D． giving out

[单选题]4． A fat man should eat ________food and take ________ exercise．A． less，lessB． fewer，moreC． less，moreD． more， fewer

[主观题]They are_________（意识到的）of the dangers．

[单选题]4．A．aB．anC．theD．/

[单选题]4．A．HoweverB．AlthoughC．ThatD．Unless

[单选题]4．A．monthB．weekC．dayD．year

,求A^4.

Fish is a good brain food __ it is good muscle food and skin food and bone food.

[单选题]Is the food in fast food restaurants always ready before the customers order it?A．Yes，it is．B．N0，it is seldom ready．C．Yes，it is cooked to order．D．N0，not always，but usually．

[单选题]4． The meeting ______ begin ______ the last man came．A． didn’t ;untilB． not; untilC． doesn’t; untilD． will; until

[单选题]4．—Are you her uncle?—_________A．I’m notB． Yes， I am notC． No， I amD． No， I am not