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【单选题】
关于速率常数的下列说法中正确的是( )。A.
速率常数值 k 较大的反应 ， 反应速率必定较大
B.
一般来说 ， 一个反应的温度越高 ， 其 k 值越大
C.
一个反应 k 值的大小只取决于反应物的本性
D.
一个反应的反应物浓度越大 , 其 k 值越大
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举一反三
【单选题】听力原文： If you are a college student, there are several things you should know about renting an apartment. First, you must know how to look for a place to live. Friends, teachers, and other people you m...
A.
Two.
B.
Three.
C.
Four.
D.
Five.
【单选题】听力原文：If you are a college student, there are several things you should know about renting an apartment. First, you must know how to look for a place to live. Friends, teachers, and other people you me...
A.
Two.
B.
Three.
C.
Four.
D.
Five.
【单选题】听力原文： If you are a college student, there are several things you should know about renting an apartment. First, you must know how to look for a place to live: Friends, teachers, and other people you m...
A.
Two.
B.
Three.
C.
Four.
D.
Five.
【单选题】我国的安全生产方针、安全生产客观规律的具体要求是指( )。
A.
“安全第一，预防为主”
B.
“安全第一，预防为主，综合治理”
C.
“管生产的同时必须管安全”
D.
“安全第一，以人为本”
【判断题】There are one student and two teachers in the classroom. 请判断这句话的对错。A. 对 B. 错
A.
正确
B.
错误
【单选题】听力原文： If you are a college student, there are several things you should know about renting an apartment. First, you must know how to look for a place to live. Friends, teachers, and other people you m...
A.
Two.
B.
Three.
C.
Four.
D.
Five.
【单选题】We are ensured that there are enough textbooks for each student to have _______ when the new semester comes.
A.
it
B.
those
C.
one
D.
them
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