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【单选题】
碱性磷酸酶测定推荐使用的缓冲液是A.
碳酸盐
B.
二乙胺
C.
2一氨基-2-甲基-l-丙醇
D.
Tris—HCl
E.
醋酸盐
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举一反三
【简答题】John is more hard-working than his sister, ________ he failed in the exam.
【单选题】(33滑广乐)下列没有错别字的一组是:
A.
秩序 余暇 疑窦 骸人听闻
B.
涡流 追踪 信仰 用之不揭
C.
契约 双赢 赔本 精理迸露
D.
声誉 蛮荒 覆辙 按步就班
【单选题】Mr. John is one of those men who appears to be friendly, however, it is very hard to deal with him.(改错题)
A.
appears
B.
friendly
C.
however
D.
to deal with
【简答题】John Smith is working hard to make his dream a _____(real).
【单选题】John: Is there a chance that Nick is not guilty?
A.
Is it possible that Nick is not guilty?
B.
Is it true that Nick is not guilty?
C.
Do you think Nick is guilty?
【单选题】John is working hard to promote his new book. He hopes a lot of people will buy it online.
A.
write
B.
market
【单选题】－Mum! math is too hard for me. －John, work hard, you'll find it easy. [ ]
A.
but
B.
or
C.
and
D.
so
【单选题】(33滑广乐)下列没有错别字的一组是:
A.
演变 掌控 谋利 斤斤计较
B.
架构 贸易 殴洲 长治久安
C.
法庭 秩序 催生 横征暴睑
D.
独裁 严峻 渗透 成王败冠
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