属于计算机病毒范围的有()。
A.细菌
B.蠕虫
C.木马
D.冲击波
E.炭疽热
参考答案:B, D, E
选词填空。
1. Look, he is turning (round, around).
2. Who is (skateing, skating) towards us?
3. He (falls, falles) down.
4. Can he (skies, ski)?
5. Sam and Amy (is, are) going to the park.
The teacher tells his students to _______the dictionary for the new word.
A.look up
B.consult
C.consult about
D.look over