一个银行只能将存款的20%作为贷款贷给企业，那么这个20%称作什么？（）
A、贷款利率
B、存款利率
C、准备金率
D、经济增长率
参考答案：C
— It's cold in the house. What can I do now?
— ______ the door.[ ]
A. Open
B. Close
C. Climb
D. Clean
—“What courses are you going to take next semester if you want to receive enough credits to get your degree?”
—“I don’t know. But it’s about time on something.”
A．I’d decide
B．I decide
C．I’m deciding
D．I decided
