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【单选题】
合成氨反应N2+3H2=2NH3在某温度下达到平衡时,N2、H2、NH3的浓度分是:2mol/L、6mol/L、4mol/L,则该温度时的平衡常数是A.
3.70×10-1
B.
3.70×10-2
C.
3.33×10-1
D.
3.33×10-2
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【简答题】粗守 ,上守 。神乎神,客在 。
【单选题】I thought her kind and honest _____ I met her.
A.
for the first time
B.
the first time
C.
by the first time
D.
first time
【简答题】I remember the first time that I was extremely happy. I was about 8 years old when for the first time, there was a computer in the classroom. I remember that my teacher allowed each student to take tu...
【简答题】What is Chekhov’s style and his influence on Katherine Mansfield?
【单选题】I found her nice and honest ____ I saw her． [ ]
A.
for the first time
B.
the first time
C.
on the first time
D.
at first
【简答题】I remember the first time that I was extremely happy, I was about 8 years old when for the first time, there was a computer in the classroom. I remember that my teacher allowed each student to take tu...
【单选题】— What's the date today? — __________________ [ ]
A.
It's Sunday.
B.
It's windy.
C.
It's October 1st.
D.
May.
【单选题】-__________? -It's October 1st. [ ]
A.
What day is it?
B.
When's Children's Day?
C.
What's the date?
【单选题】I thought her nice and honest I met her.
A.
first time
B.
for the first time
C.
the first time
D.
by the first time
【简答题】粗守 ,上守 ,神乎神, 客在门 。
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