1.选择题- (共5题)
3.已知Zn和Fe2O3在高温下发生反应:3Zn+Fe2O3=2Fe+3ZnO,其中Fe元素化合价{#blank#}1{#/blank#}(升高或者降低){#blank#}2{#/blank#}(得到或失去)电子,{#blank#}3{#/blank#}被还原,发生{#blank#}4{#/blank#}反应,是{#blank#}5{#/blank#}剂.Zn是{#blank#}6{#/blank#}剂,被{#blank#}7{#/blank#},发生{#blank#}8{#/blank#}反应.氧化产物是{#blank#}9{#/blank#}还原产物是{#blank#}10{#/blank#}.
5.下列溶液:①pH=0的盐酸;②0.5mol/L的盐酸溶液;③0.1mol/L的氯化铵溶液;④0.1mol/L的氢氧化钠溶液;⑤0.1mol/L的氟化钠溶液,由水电离的c(H+)由大到小的顺序正确的是( )
2.单项选择- (共11题)
6.
Please give the ticket to ___ you think is the most suitable in my office.
A.who | B.whom | C.whoever | D.no matter who |
7.
That little boy can pick up a tune immediately on the violin, he really has a _____for music.
A.power | B.energy | C.intelligence | D.gift |
8.
He suggested that a new library_________ near the key high school.
A.is built | B.was built | C.be built | D.should build |
9.
Oh, I’m not feeling well in the stomach. I _________ so much mushroom this morning.
A.shouldn’ t eat | B.musn’t have eaten | C.mustn’t eat | D.shouldn’t have eaten |
10.
—Is Pro. Smith giving the speech today?
—It __________ be him. He is abroad right now.
—It __________ be him. He is abroad right now.
A.can’t | B.needn’t | C.won’t | D.mustn’t |
11.
---Did they have a good time at the party?
---Judging by their smiles, they _________ have enjoyed themselves.
---Judging by their smiles, they _________ have enjoyed themselves.
A.might | B.must | C.could | D.would |
12.
My sister met him at Ningbo Grand Theatre yesterday afternoon, so he your lecture.
A.couldn’t attend | B.mustn’t have attended |
C.shouldn’t attend | D.couldn’t have attended |
13.
Great changes ______ in my hometown in the last ten years.
A.took place | B.have taken place |
C.have been taken place | D.was taken place |
15.
Maria looked around on the playground _______ looking for something.
A.even though | B.even if | C.only if | D.as if |
试卷分析
-
【1】题量占比
选择题:(5道)
单项选择:(11道)
-
【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:10
5星难题:0
6星难题:1
7星难题:0
8星难题:0
9星难题:0