问题
单项选择题
001×7强酸性苯乙烯系列阳离子交换树脂的湿真密度是（）
A.小于1
B.1.23～1.28
C.1.5～2.0
D.2.0～2.5
答案
参考答案：B
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001×7强酸性苯乙烯系列阳离子交换树脂的湿真密度是（）
A.小于1
B.1.23～1.28
C.1.5～2.0
D.2.0～2.5
参考答案：B
There is no quick and easy way to learn English. But there is a simple and way. Speak English as much as you can. Try to talk in English your teacher and your classmates. Try to to English on the radio and on TV. Don’t just read the that you use in the class. Go to the or a bookshop and read easy English books. Try to something in English as much as you can, such as the things you did during the day. These are not hard, but they are the work that you do. If you do them, with the of your teacher, you will learn English .
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