倾斜井巷运输时，连接装置有哪些要求？
参考答案：
倾斜井巷运输时，矿车之间的连接、矿车与钢丝绳之间的连接，必须使用不能自行脱落的连接装臵，并加装保险绳。
—Will you please take a message for Mike?
—_____. [ ]
A. Yes, the message is important
B. That's very mce
C. Thanks for telling me
D. I'll be glad to
Tony is______ American boy. He studies ______Chinese in______ university in Beijing now. [ ]
A. a; a; an
B. an;/; a
C. the; the; a
D. an; the;/
