1.简答题- (共1题)
(1)根据质量守恒定律,可知生成沉淀的质量为___________________________。
(2)固体混合物中氯化钙的质量是多少?
(3)所得滤液中溶质的质量分数是多少?
2.单选题- (共8题)
A. R+Hg(NO3)2===Hg+R(NO3)2
B. RO+CO

C. R(OH)2+2HCl===RCl2+2H2O
D. R(OH)2


| X | Y |
A | CO | Ca(OH)2溶液 |
B | CO2 | NaOH溶液 |
C | HCl | Ca(OH)2溶液 |
D | SO2 | NaOH溶液 |
A.A | B.B | C.C | D.D |
物质 | 食醋 | 牛奶 | 食盐水 | 牙膏 | 肥皂水 |
pH | 2~3 | 6~7 | 7 | 8~9 | 9~10 |
当我们被蚊虫叮咬后,蚊虫能在人的皮肤内分泌蚁酸(具有酸的性质),从而使皮肤肿痛。要减轻痛痒,应在叮咬处涂抹下列物质中的
A.食醋 | B.牛奶 | C.食盐水 | D.牙膏或肥皂水 |
A.绿颜色的营养食品 | B.有叶绿素的营养食品 |
C.经济附加值高的营养食品 | D.安全、无公害的营养食品 |
3.选择题- (共11题)
根据中文意思填空,完成短文,并注意单词的正确拼写形式。(每空一词)
Do you enjoy eat nuts? Have you ever tired Chinese torreya nuts(香榧)? Zhuji is {#blank#}1{#/blank#}(广泛地)known for this special kind of nuts. Most of the Chinese torreya trees are grown in the {#blank#}2{#/blank#} (东部) of Zhuji. Every autumn, the nuts are picked by the {#blank#}3{#/blank#} (当地的)people and then sent for {#blank#}4{#/blank#} (加工).Not everyone gets the ________(秘诀)of frying(炒制) the nuts. Only the experienced workers can make it. People in Zhuji take ________(骄傲)in the Chinese torreya nuts, .and the nuts are usually {#blank#}7{#/blank#} (放置)out to treat {#blank#}8{#/blank#} ( 亲属 ) and friends. Nowadays, more and more people fall in love with the nuts. And it {#blank#}9{#/blank#} (创造) good business for Zhuji. . What a great {#blank#}10{#/blank#} (影响)the Chinese torreya nuts have on Zhuji!
阅读下列短文,从每题所给的四个选项(A、B、C和D)中选出最佳选项。
Four seasons make a year. They a re spring, summer, autumn and winter.
Spring is a beautiful season. It's from March to May. In spring, trees turn green and flowers come out. Everything looks new.
Summer is a happy season. It's from June to August. The weather is hot, so people usually wear cool clothes, go swimming and eat ice cream.
Autumn is a colourful season. It is from September to November. In autumn, leaves on trees turn yellow. Sometimes they are yellow and red. The colours are beautiful.
Winter is the last season. It's from December to February. In China, the weather is not the same in winter. In Beijing, it's very cold. It often snows. People often play with snow and go skating in rivers and lakes. Skating is their favorite sport in winter. But in Haihan, it's not very cold. It's very warm. People there can go swimming in the sea.
请从右栏中找出左栏相应的答语。
①Where are you from? {#blank#}1{#/blank#} A. Nice to meet you too.
②Thank you very much. {#blank#}2{#/blank#} B. It's Thursday.
③Write it on the blackboard. {#blank#}3{#/blank#} C. Twenty.
④How are you? {#blank#}4{#/blank#} D. England.
⑤Nice to meet you. {#blank#}5{#/blank#} E. No, he isn't.
⑥Is Bob English? {#blank#}6{#/blank#} F. It's 80392746
⑦How many boys are there? {#blank#}7{#/blank#} G. Yes, of course.
⑧Can you say that again in English? {#blank#}8{#/blank#} H. You're welcome.
⑨What's your telephone number? {#blank#}9{#/blank#} I. OK. B-O-O-K, book.
⑩What day is it today? {#blank#}10{#/blank#} J. Fine, thank you.
阅读下面短文,根据句意或提示,在空格处填入一个适当的词,每空一词。
Do you know Jay Chou? If you like watching "the Voice of China" this {#blank#}1{#/blank#} /'sΛmә/, you must know him. Jay is a very popular singer in China. Jay is his {#blank#}2{#/blank#} name and Chou is his last name. He is thirty-seven {#blank#}3{#/blank#} old. His was *born on January 18th. He is f{#blank#}4{#/blank#} Taiwan. His favourite sport is {#blank#}5{#/blank#}, so he plays basketball every day. And his favourite {#blank#}6{#/blank#} is blue. He can sing {#blank#}7{#/blank#} write songs very well. Many people like {#blank#}8{#/blank#} (listen) to his music. He is also a good teacher at the Voice of China on Zhejiang TV, because he helps his s{#blank#}9{#/blank#} a lot. Chen Zitong and Leon Lee {#blank#}10{#/blank#} (be) two good students in his team.
4.填空题- (共3题)
(1)人工降雨的氧化物____________________;
(2)可用于金属表面除锈的酸____________________;
(3)可改良酸性土壤的碱____________________;
(4)可做食醋的酸____________________;
(5)可做建筑材料的盐____________________;

(1)镁条燃烧时,夹持镁条用__________。
(2)配制一定溶质质量分数的硝酸钾溶液用___________。
(3)粗盐提纯时蒸发滤液所用到的仪器是____________。
(4)在⑵、⑶两组实验操作中都缺少的一种仪器是(填名称)________。
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【1】题量占比
简答题:(1道)
单选题:(8道)
选择题:(11道)
填空题:(3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:0
5星难题:0
6星难题:3
7星难题:0
8星难题:7
9星难题:1