热装活塞、活塞销时，活塞的加热方法是（）。
A.在电炉中加热
B.在水中加热
C.在机油中加热
D.用喷火器加热
参考答案：C
Please _____ my homework to Jack, and tell him to _____ to the math teacher. [ ]
A. hand in; pass it on
B. pass on; hand in it
C. pass on; hand it in
D. hand in; pass on it
简述古希腊法律的基本特点
