()干粉驱动系统为大部分大型干粉消防车辆所采用。
A、燃气
B、氮气
C、惰性气体
D、二氧化碳
参考答案:B
用所给词的适当形式填空。
1. They are my _____ (book).
2. Those _____ (case) are in the bus.
3. This is _____ (he) backpack.
4. Where's my _____ (math) book? I don't know.
5. Please take these _____ (thing) to your mother.
申请农户小额贷款时借款人年龄和借款期限之和不得超过()年。
A.60(含)
B.65(含)
C.70(含)
D.75(含)