汽车空调系统低压压力开关在（）起作用。
A.系统压力过高
B.系统压力过低
C.过高或过低
D.系统压力过高、系统压力过低、过高或过低都不是
参考答案：B
The bad men ___.
A．robbed her her necklace
B．stole her her necklace
C．robbed her necklace from her
D．stole the necklace from her
癥瘕久病体弱者，治宜
A．破瘀散结B．理气行滞C．攻补兼施D．先攻后补E．先补后攻
