成人钠的适宜摄入量每天应（）mg
A.2200
B.2000
C.3000
D.1000
参考答案：A
In relation to the law of contract explain the meaning and effect of:
(b) the intention to create legal relations. (4 marks)
LNG加注车携带的有效燃料将比CNG罐式天然气加注车高出（）倍。
A、1~2倍
B、3~4倍
C、5~6倍
D、2~3倍
