依椐先衰原理发达胸大肌。就是先选择基本动作卧推来训练，使其衰竭，然后练习局部动作，直至力竭。（）
参考答案：错
The lecture begins at 9 tomorrow morning .So I have to be at the hall ____8:40 pm. at the latest.
A until B after C by D around
CX1020出厂缺省IP值为（），其中X为1-254之间的整数.
A.192.168.150.X
B.192.168.0.X
C.169.254.0.X
D.169.254.1.X
