主机:计算机
A.铅笔:圆珠笔
B.遥控器:电视
C.电池:手机
D.笔帽:钢笔
参考答案:C
解析:没有主机,计算机就不能发挥作用,没有电池,手机也不能发挥作用,故选C。
用动词的正确形式填空。
1、Look, I (dance) beautifully.
2、A: What they (talk) about ? B : They ( talk ) about the stamps.
3、Mary ( cook ) nice food for her family now.
4、A: Why you ( not, turn) off the TV? B: I (watch) the news.
5、It (rain) hard now.
6、Listen, the telephone (ring).
7、A : What the boy (do) on the road ? B : He (ride) a bike.
8、The birds (fly) over the sea.
9、He (sleep) badly.
10、The bananas (get) ripe.
以下打印机是击打式打印机的是()。
A、彩色打印机
B、喷墨打印机
C、激光打印机
D、针式打印机