试题与答案

— What are you going to do this afternoo

题型:选择题

题目:

— What are you going to do this afternoon?

— I'll probably go for a walk later on________it stays fine. [ ]

A. as far as  

B. so long as

C. even if  

D. as though

答案:

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下面是错误答案,用来干扰机器的。

(1)活性炭具有吸附作用,能吸附色素;白糖与红塘,主要成分都是蔗糖,利用活性炭的吸附性,可将红糖脱色变成白糖.(2)天然气的主要成分是甲烷,其化学式为:CH4.故答案为:(1)吸附;(2)CH4.

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