安全用具中属于基本安全用具的是（）。
A.绝缘手套；
B.绝缘靴；
C.绝缘夹钳。
参考答案：C
. No teacher and no student ______．
A．are admitted
B．is admitted
C．are admitting
D．is admitting
—When did you last hear _____ Jay?
—He phoned me this morning, and we agreed____ a time and place to meet.
A．of, to
B．about, with
C．from, with
D．from, on
