1、18.afire,hotelguestsareaskedtoremaincalm.A、AsaresultofB、ByreasonofC、IntheeventofD、Inthetimeof2、16.Thismissileisdesignedsothatoncenothingcanbedonetoretrieveit.A、firedB、theyfiredC、having

Question

1、18.___ a fire,hotel guests are asked to remain calm.
A、As a result of B、By reason of
C、In the event of D、In the time of
2、16.This missile is designed so that once ___ nothing can be done to retrieve it.
A、fired B、they fired
C、having fired D、firing
3、14.Scientists have discovered a close ___ between smoking and several diseases.
A、action B、union
C、connection D、combination
4、24.If we had known your new address,we ___ to see you.
A、came B、would come
C、will come D、would have come
5、22.If only he ___ told us the truth in the first place,things wouldn′t have gone so wrong.
A、had B、would have
C、has D、should have

Answer 1

1、18.___ a fire,hotel guests are asked to remain calm.
C、In the event of 在火灾事件中
2、16.This missile is designed so that once ___ nothing can be done to retrieve it.
A、fired
it was fired,同时省略it and was
3、14.Scientists have discovered a close ___ between smoking and several diseases.
C、connection 联系
4、24.If we had known your new address,we ___ to see you.
D、would have come 虚拟语气,虚拟过去,用过去完成时
5、22.If only he ___ told us the truth in the first place,things wouldn′t have gone so wrong.
A had 虚拟语气,同上
绝对正确