问题
单项选择题
吹球冲洗管线发球时,必须具备的前提条件是()
A、把球放进发球筒,加好盲板
B、把球放进发球筒,开净化风
C、把球放进发球筒,打开球阀
D、把球放进发球筒,通知对方
答案
参考答案:B
吹球冲洗管线发球时,必须具备的前提条件是()
A、把球放进发球筒,加好盲板
B、把球放进发球筒,开净化风
C、把球放进发球筒,打开球阀
D、把球放进发球筒,通知对方
参考答案:B
词汇部分。 从方框中选择合适的单词或词组,并用其适当的形式填空。其中有两项是多余的。 | |
2.We should _____ Lei Feng, and prepare to help others all the time. 3. Every year _____ people get hurt or die in road accidents. 4. My father _____ in the country, but he lives in the city now. 5. Steve made a _____ wish on his birthday, and then he blew out the candles in one breath. |