问题
单项选择题
又名为息疟啶，属于2，4-二氨基嘧啶类抗疟药的是（）.
A．磷酸伯氨喹
B．本芴醇
C．磷酸氯喹
D．乙胺嘧啶
E．青蒿素
答案
参考答案：D
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又名为息疟啶，属于2，4-二氨基嘧啶类抗疟药的是（）.
A．磷酸伯氨喹
B．本芴醇
C．磷酸氯喹
D．乙胺嘧啶
E．青蒿素
参考答案：D
Everybody needs water. Everything 16 water，too. We use water 17 the bowls, the clothes, and 18 .We use water to plant trees, flowers and crops. 19 does all water come from? It 20 from clouds. Some of rain 21 into the ground. Many people get 22 from under the ground. Some rain water goes 23 the hills. It runs 24 lakes and rivers. Many people get it 25 .
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