This is the most beautiful national park_____.I have ever visitedA.whichB.whereC.thatD.wha
This is the most beautiful national park_____.I have ever visited
A.which
B.where
C.that
D.what
This is the most beautiful national park_____.I have ever visited
A.which
B.where
C.that
D.what
Mrs. Smith wanted to buy ______ with the ten pound notes.
A.a lovely cat
B.a nice hat
C.a beautiful handbag
D.both B and C
A.三个酶催化的都是零级反应
B.Ex和Ea催化的是零级反应,Ei催化一级反应
C.Ex催化的是零级反应,Ea和Ei催化一级反应
D.三个酶催化的都是一级反应
如图所示,系统从状态a沿acb变化到状态b,有334J的热量传递给系统,而系统对外作功为126J
(1)著沿曲线adb时,系统作功42J,问有多少热量传递给系统;
(2)当系统从状态b沿曲线bea返回到状态a时外界对系统作功84J,问系统是吸热还是放热?传递热量是多少?
(3)若Ed-Ea=167J,求系统沿ad及db变化时,各吸收多少热量?
A.most of them
B.most of which
C.most of whom
D.most of what
The author most probably is a ______.
A.teacher
B.psychologist
C.philosopher
D.doctor
Taxes provide most of the government’s _________.
A.revenues
B.expenses
C.profits
D.rewards
According to the author, language changes are most likely to occur in .
A.grammar
B.pronunciation
C.vocabulary
D.intonation
Look at the car! This is()car I have ever seen.
A、a most beautiful
B、the most beautiful
C、the more beautiful