最终能够形成各种类型固定资产的财政政策工具是（）.
A．税收
B．政府预算
C．公债
D．政府投资
参考答案：D
解析：
本题考查财政政策工具。
—Rick ! Your jacket is wet through . Didn't you listen to the weather report this
morning ?
—No, I didn't. I was in a hurry, besides, it ______ when I left . [ ]
A. hadn't rained
B. would rain
C. rained
D. wasn't raining
水成膜（轻水）泡沫灭火器定期检查，当驱动气体重量减少（）时，应及时补充.
A.5%
B.10%
C.15%
