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【单选题】
将一定质量的a、b、c、d四种物质放入一密闭容器中，在一定条件下反应一段时间后，测得反应后各物质的质量如下： 下列说法中错误的是 [ ]A.
反应后，a的质量为13g
B.
反应中b、d的质量比为5：4
C.
物质d可能是该反应的催化剂
D.
该反应属于复分解反应
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【单选题】It never occurred to me _____ you could succeed in persuading him to change his mind. [ ]
A.
which
B.
what
C.
who
D.
that
【简答题】凝血过程包括凝血酶原激活物形成、___和___三个阶段。
【简答题】Topic 13 Session 1-1 Use words correctly. Choose the sentence that uses the underlined part correctly.A. Manufacturershope the demand for new computer technology will （increase).B. The company is not ...
【简答题】Topic 13 Session 1-2 Use words correctly. Choose the sentence that uses the underlined part correctly.A. The market for cassette players has （expanded）until it is almost non-existent.B. Thepopularity ...
【简答题】Topic 13 Session 1 根据英语单词，匹配对应中文意思。A. trendB. decreaseC. increaseD. fluctuateE. declineF. stabilizeG. riseH. expandI. doubleJ. steady
【单选题】It is no ______ arguing with Bill because he will never change his mind. [ ]
A.
way
B.
help
C.
time
D.
use
【简答题】It is no (use) ______ arguing about it , because he will never change his mind.
【单选题】—Do you mind ________ up the music? —No, never mind. [ ]
A.
to turn
B.
turning
C.
turn
【单选题】—I failed my driving test yesterday. —Never mind. __________. [ ]
A.
Better luck next time
B.
Better late than never
C.
No pains, no gains
D.
A good beginning is half done
【简答题】凝血过程包括凝血酶原激活物形成、___和___三个阶段。
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