655.(10-11，河南洛阳八中高二上第一次段考)We all know that, ____________,　 the situation will get worse.

A　 not if dealt carefully with　　　 B　 if not carefully dealt with

C　 if dealt not carefully with　　　 D　 not if carefully dealt with

654.(10-11，河南洛阳八中高二上第一次段考)It is often 　　　　 　his father comes back from work at night.

A. after 10 o’clock when　　　 B. 10 o’clock when　 C. 10 o’clock that　　　 D. at 10 o’clock when

653.(10-11，河南洛阳八中高二上第一次段考)________ with the size of the whole earth, the biggest ocean does not seem big at all.

A. Compare　　 B. When comparing　　 C. Comparing　　 D. When compared

652.(10-11，河北魏县一中高二第二次月考)Unless　　 to speak, you should remain silent at the conference.

A. asked　　　　 B. asking　　　　 C. being asked　　 D. having asked

651.(10-11，河北魏县一中高二第二次月考)-He won’t go to celebrate his father’s 60th birthday unless　　　

-I can’t understand.

A. invite　　　　 B. invited　　　　 C. is invited　　　 D. to invite

650.(10-11，河北魏县一中高二第二次月考)When　　　 , the museum will be open to the public next year.

A. completed　　 B. completing　　 C. being completed　　 D. to be completed

649.(10-11,广东高州大井中学高二9月月考)-Can I go out to play, Mom?

-You can ______ you stay in the garden　

　A．as if　　　 B．as long as　　　 C．now that　　 D．in order that　

648.(10-11，福建四地六校联考高二第一次月考)_______you put the sun there did the movements of the other planets in the sky make sense.

A. If only　　　　 B. If so　　　　　　 C. Only if　　　　　 D. As long as

647.(10-11，福建福州罗源一中高二第一次月考)We were all very much attracted by the design _______ we went into Holland's Exhibition Hall at the Shanghai World Expo.

quickly　　　　　 B. suddenly　　　　　 C. finally　　　　　 D. immediately

646.(10-11，辽宁开原高中高二上第一次月考)――Please send us an e-mail _____you arrive there.

――I will.

A. immediately　 　　　 B. the moment when　 　　C. immediately when　 　D. at the moment