FPA是指：（）。
A、平安险
B、水渍险
C、战争险
D、一切险
参考答案：A
It was __________________ back home from work.
A．not until midnight did he go
B．until midnight that he didn’t go
C．not until midnight that he went
D．until midnight when he didn’t go
LNG沸点在大气压下为（），而纯甲烷沸点为-161.5℃.
A.-157℃~-163℃
B.-160℃~-166℃
C.-154℃~-160℃
D.-151℃~-157℃
