4．In general，germs are so________ (微小的)that we can’t see；them with our eyes． 　

3．They had to________ (取消)the spots meeting because of the heavy rain．　 　

2．Don’t talk loudly in class，or you’ll be________ (惩罚)．

A．根据句意及汉语提示写出单词。

1．I’m sure that most students will________ (成功)in passing the chemical examination．

There are four kinds of satellites．The first kind of satellite studies the 　31 　of the earth．They are used to 　32 　maps．They also help countries to see where they may 　33 　oil or gold．

The second kind guides ships and planes．A ship or plane can send　 34 to the satellite，and the satellite can find out where it is．

The third kind studies 　35 　．These satellites 　36 　clouds and strong winds moving across the earth．They warn countries when very　 37 　weather is coming．They take photos of the earth from thousands of kilometers above it and 　38 　the photos to a weather station on the ground．

The fourth kind is used for communication．Telephone calls　 39 　countries can be sent by these satellites．Some can carry hundreds of calls at one time．The calls are sent to the satellite，then the satellite sends them to a station in the country Which is being phoned. These satellites　 40 　carry television pictures．They can receive and send about eight programs at a time．How amazing! 　

31．(　　 )A．chemistry B．geography　 　　 C．physics 　 D．biology

32．( 　　)A．make　 　　 B．buy　　 　　　　　 C．carry　　　　 D．sell

33．(　　 )A．buy　　 　 B．need　　 　　　　 C．find 　　　　 D．use　 　

34．(　　 )A．a letter 　　 B．telephone C．money　　　 D．a message

35．( 　　)A．the air　 　 B．the weather 　　 C．the rain 　 D．the cloud

36．( 　　)A．see　　 　　 B．watch　　 　　　 C．search 　　 D．look

37．(　　 )A．bad　　 　 B．fine　　 　　　　　 C．nice 　　　　 D．warm

38．(　　 )A．send　　 　 B．carry　　 　　　　 C．take　　 　 D：bring

39．(　　 )A．in　　 　　　 B．of　　 　　　　　　 C．between 　 D．among

40．(　　 )A．too　　 　　 B．either　　 　　　　 C．also 　　　　 D．neither