1 . 词性转换
1. believe v.相信；认为→________________adj.可信的→_________________adj.难以置信的
2. breath n.气息；呼吸→____________________adj.气喘吁吁的；呼吸急促的
3. calculate v.计算；核算→____________________n.计算
4. care n.小心；谨慎→____________________adj.小心的；仔细的→____________________adj.不小心的；粗心的→____________________n.粗心；疏忽
5. celebrate v.庆祝→____________________n.庆祝；庆祝会
6. centre n.中心点；中心→____________________adj.中央的；中心的
7. certain adj.确实的；有把握的→____________________adj.不确定的→____________________adv.无疑；确定；当然
8. change v.改变；变化→____________________n.零钱；改变→____________________adj.可能变化的
9. character n. 品质；特点→____________________adj. 典型的；独特的
10. cheer v.欢呼；喝彩→____________________adj.快乐的；高兴的

2 . His handling of the situation was ________, which was spoken highly of later by everyone present.

A．respectable	B．admirable
C．believable	D．responsible

3 . We’ve just heard a warning on the radio that a typhoon is ________ to come this evening.

A．likely	B．possible
C．probable	D．believable