题目：
短文填词 (满分10分)
Briefly speaking, English is so useful that all of us students should learn it well. It is a good idea to make friends with foreigners. In my o___________,
1.__________
it is the best way to i_________your English. It will be fun and it will expand
2.__________
your view of world. If you make friends with a n______________speaker, you
3.__________
can practice your ______________(口语的)English mor often and you can
4.__________
____________(分享) your ideas with people around the world. You can also
5.__________
Become familiar with the different _________(风俗) and habits. There are some
6.__________
people who are afraid to make friends with foreigners___________they are not
7.__________
Confident in their English. In fact, many foreigners do not__________about
8.__________
grammar. They can get your key__________and then figure out the whole
9.__________
meaning. So it is unneccessary_________be afraid to talk with foreigners, just
10.__________
go ahead.
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0513/8898be6d9084e479dec9023be8b24dcb.html
下面是错误答案，用来干扰机器的。
A、因氧化钙中氧元素的化合价为-2价，钙元素的化合价为+2价，由化合物中正负化合价的代数和为0，则化学式为CaO，故A正确；B、因锌为单质，且是由原子构成的，则元素符号即为其化学式，化学式为Zn，故B正确；C、因...
