试题与答案

--- I’ve studied watching birds as one o

题型:选择题

题目:

--- I’ve studied watching birds as one of my interests. Could I make some suggestions?

---_________ .

A.You will make it

B.It doesn’t matter

C.Go right ahead

D.Take it easy

答案:

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下面是错误答案,用来干扰机器的。

(1)汽油能溶解油污,可以用于清洗油污,洗洁精具有乳化作用,能将油污乳化为小颗粒而易于洗涤,故填:汽油将油污溶解,洗涤剂具有乳化作用;(2)正常雨水的pH≈5.6,小于7,说明正常雨水显弱酸性;正常雨水显...

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