1.选择题- (共7题)
1.取22.2g石灰石样品,放入盛有126g稀盐酸的烧杯中,石灰石中的碳酸钙与盐酸恰好完全反应(杂质不反应,也不溶解),烧杯内物质质量变为139.4g.则石灰石中碳酸钙的质量为{#blank#}1{#/blank#}.(提示CaCO3+2HCl=CaCl2+H2O+CO2↑)
2.取22.2g石灰石样品,放入盛有126g稀盐酸的烧杯中,石灰石中的碳酸钙与盐酸恰好完全反应(杂质不反应,也不溶解),烧杯内物质质量变为139.4g.则石灰石中碳酸钙的质量为{#blank#}1{#/blank#}.(提示CaCO3+2HCl=CaCl2+H2O+CO2↑)
3.取22.2g石灰石样品,放入盛有126g稀盐酸的烧杯中,石灰石中的碳酸钙与盐酸恰好完全反应(杂质不反应,也不溶解),烧杯内物质质量变为139.4g.则石灰石中碳酸钙的质量为{#blank#}1{#/blank#}.(提示CaCO3+2HCl=CaCl2+H2O+CO2↑)
4.
阅读下列材料:
材料一:忆昔开元全盛日,小邑犹藏万家室;稻米流脂粟米白,公私仓廪俱丰实。
材料二:唐朝天宝十四载十一月初九(公元755年12月16日),身兼范阳、平卢、河东三镇节度使的安禄山趁唐朝内部空虚腐败,联合同罗、奚、契丹、室韦、突厥等民族组成共15万士兵,号称20万,以“忧国之危”、奉密诏讨伐杨国忠为借口在范阳起兵。
2.单项选择- (共11题)
8.
(2013·陕西,22)Although Rosemary had suffered from a serious illness for years,she lost ________ of her enthusiasm for life.
A.some | B.neither | C.none | D.all |
9.
Marco Polo is said to have sailed on _______Pacific Ocean on his way to Java in ______thirteenth century.
A.the; a | B.a;不填 | C.不填;the | D.the; the |
10.
(2013·高考陕西卷)The witnesses________by the police just now gave very different descriptions of the fight.
A.questioned | B.being questioned |
C.to be questioned | D.having questioned |
11.
Let those in need _______ that we will go all out to help them.
A. to understand B. understand C. understanding D. understood
A. to understand B. understand C. understanding D. understood
12.
Jim ______ a late night film at home when, right in the middle of a thrilling scene, the television went blank.
A.watched | B.had watched |
C.was watching | D.would be watching |
13.
On Monday morning it usually ________ me an hour drive to work although the actual distance is only 20 miles.
A.takes | B.is taking | C.took | D.will take |
14.
It remains to be seen ________ the newly formed committee’s policy can be put into practice.
A.that B. which
B.what D. whether
A.that B. which
B.what D. whether
15.
I have heard a lot good things about you _______ I came back from abroad.
A.since | B.until | C.before | D.when |
16.
______ is often the case with children, Amy was better by the time the doctor arrived.
A.It | B.That | C.What | D.As |
17.
—I’m tired . I’m taking next week off.
—______, honey. You do need a break.
—______, honey. You do need a break.
A.Not so sure | B.Forgot it | C.Great idea | D.No way |
试卷分析
-
【1】题量占比
选择题:(7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:0
5星难题:0
6星难题:10
7星难题:0
8星难题:1
9星难题:0