小题1: The writer took the photograph to c

题型:阅读理解

问题:

小题1: The writer took the photograph to class because_____________________.

A.it was a nice picture

B.the mother in the picture was very pretty

C.it was used to talk about family trees

D.the writer missed her grandmother小题2: In Passage Two, the writer’s grandfather was a person who_______.

A.didn’t like banks

B.put some of his money in banks

C.gave some of his money to his relatives

D.gave his money to his grandson小题3: These two passages mainly suggest _____in Passage One and _____ in Passage Two.

A.Valuable photograph, Mean(小气的) grandfather

B.Family love is priceless(无价的), Knowledge is wealth(财富)

C.Lost love, Unexpected(无法预料的)endings

D.My regret(遗憾), God’s present

考点:人物传记类阅读故事类阅读
题型:阅读理解

风机运行时,如因电流过大或摆动幅度大而跳闸,则可强行启动一次。()

题型:阅读理解

介导体液免疫的细胞是 ()

A.嗜酸性粒细胞

B.嗜碱性粒细胞

C.中性粒细胞

D.T淋巴细胞

E.B淋巴细胞

题型:阅读理解

下列物质放入或通入水中,滴入紫色石蕊显红色的是(  )

A.氯化氢

B.氧化钙

C.氯化钠

D.碳酸钠

题型:阅读理解

(16分)在密闭容器中进行:

反应①  Fe(s)+CO2(g)FeO(s)+CO(g)     △H1=" a" kJ·mol-1

反应②  2CO(g)+O2(g)2CO2(g)         △H2=" b" kJ·mol-1

反应③  2Fe(s)+O2(g)2FeO(s)          △H3

(1)△H3=                        (用含a、b的代数式表示)

(2)反应①的化学平衡常数表达式K=               ,已知500℃时反应①的平衡常数K=1.0,在此温度下2L密闭容器中进行反应①,Fe和CO2的起始量均为2.0mol,达到平衡时CO2的转化率为            ,CO的平衡浓度为               

(3)将上述平衡体系升温至700℃,再次达到平衡时体系中CO的浓度是CO2浓度的两倍,则a       0(填“>”、“<”或“=”)。为了加快化学反应速率且使体系中CO的物质的量增加,其它条件不变时,可以采取的措施有         (填序号)。

A.缩小反应器体积

B.再通入CO2

C.升高温度

D.使用合适的催化剂(4)下列图像符合反应①的是      (填序号)(图中ν是速率、为混合物中CO含量,T为温度)。

题型:阅读理解

为预防误机(车、船)事故的发生,临行前,导游员不安排旅游团到范围______、地域______的景点参观游览,不安排团队到热闹的地方购物或自由活动。

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