1、There are many kinds of metals, ______.

　　A.each having its special properties　　B.having its special properties

　　C.one has its special properties　　D.each has its special properties

　　2、Both Lily and Lucy ______ to the party yesterday.

　　A.invited　　B.was invited　　C.had invited　　D.were invited

　　3、Standing on the bank, the children watched the ship ______ with all kinds of goods.

　　A.loading　　B.being loaded　　C.to be loaded　　D.having loaded

　　4、So little ______ about stock exchange that the lecture was completely beyond me.

　　A.did I know　　B.I had known　　C.I knew　　D.was I known

　　5、______ the first to use nuclear weapons.

　　A.At no time China will be　　B.Never China will be

　　C.Will China never be　　D.At no time will China be

　参考答案：

　　1、A　2、D　3、B　4、A　5、D