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The scientists predict that if present trends____, women in 400 years will be 2cm shorter and have healthier hearts．

A．will continue B．continue       C．are continued  D．will be continued

I made a fire ____up the room as soon as my father came in．

A．warm           B．warmed         C．to warm        D．warming

These achievements_______ without the contribution of Qian Xuesen, a key leader of the New China's nuclear, missile and so on．

A．would have been unthinkable      B．would not be unthinkable

C．would be unthinkable             D．would not have been unthinkable

_______the match is lost? We can fight again!

A．Even though    B．What though    C．If though      D．As though

In this experiment, the famous professor showed three different____ to the study of physics．

A．means          B．methods        C．ways           D．approaches

—Oh my god! You__ wear slippers to attend the conference．

—I'm sorry I forgot there is a conference．

A．must           B．can            C．should         D．shall

We students got lost in the forest and decided to remain ____we were and waited for the guide

A．where          B．what           C．how            D．who

No．50 High School is as new as No．48 High School．____, it is more beautiful．

A．If anything    B．If something   C．If necessary   D．If so

Jenny works hard as usual and it has___．She got the first in the final exam again．

A．showed off     B．paid off       C．paid back      D．turned up

In our university there are several big parks ____we students can go to enjoy the beautiful scenery．

A．to which       B．at which       C．from which     D．in which