我们国家的标准中将硫化橡胶压缩永久变形的测定依据测试环境将其划分为了哪两种情况？
A. 常温条件
B. 常温及高温条件
C. 低温条件
D. 普通条件
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Which one is the formal form of the three sentences?
A. Thank you for the hard work you've done.
B. Thank you for the all hard work you have done.
C. Thx for everything you've done.
Which one is the formal form of the three sentences?
A. Just for your information,we would like to schedule another meeting in October.
B. Just for your information,we'd like to arrange another meeting in October.
C. Just FYI,we'd like to fix up a meeting in Oct.
Choose the informal sentence from the three sentences.
A. We won't be able to do anything until we deal with thses issues.
B. We won't be able to get anywhere until you sort this out.
C. It may be difficult to make progress until these matters are resolved.
Choose the neutral sentence from the three sentences.
A. Lessons need to be learnt from the mistakes which were made.
B. I hope you can learn from where you went wrong.
C. You made a mess of this and you need to do better next time.
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