安装B2A型生物安全柜（）。 A.需要外接排风管道 B.不需要外接排风管道 C.超净

命题“设a、b、c∈R，若ac²＞bc²则a＞b”以及它的逆命题、否命题、逆否命题中，真命题的个数为（　　）

A．0

B．1

C．2

D．3

读“大气垂直分层”图，回答下列问题。

（1）图中A层是_________层，它的直接热源是__________，因此其气温变化的特点是随着高度的升高而

    ___________。

（2）图中B层是__________层，该层大气以___________运动为主。该层的气温变化是随着高度的升高而

    ___________。

（3）大气质量的3/4和几乎全部的水汽、杂质集中在____________（填名称）。其温度垂直变化，决定了

    空气________运动显著。

（4）在55千米以上的高层大气中存在______层，该层使人类实现无线电通信。且该层空气密度________

    （很小\很大）。

阅读《钱金玉舍生取义》一文，完成校题。(14 分)

钱金玉官松江千总^①，性刚果，尚廉节。道光壬寅鸦片衅^②起，钱方假归省亲，闻讯，即束装起行。其戚友止之曰：“军事方急，祸福不可知。君方在假，上官又未有文檄趣^③君往，何急急为?”钱不听。径之吴淞，从守西炮台，与部卒同饮食卧起，以力战相勖^④。及东炮台陷，弹丸咸集于西炮台。钱奋勇督战，喋血数小时，左臂中三弹，曾不少却。其近卒泣陈^⑤：“公有老母在，不可死。”笑谢曰：“焉有食国之禄而逃其难者乎？幸^⑥勿为吾母虑也!”未几，一弹来，中左乳，遂仆。弥留之际，犹大呼“贼奴误国”不已。

【注】①千总：清朝武官名称。　②衅(xìn)：此指战祸。　 ③趣：促。

④勖(xù)：勉励。　      ⑤泣陈：边哭边说。　   ⑥幸：希望。　  　　　

小题1:解释下列句中划线词的意思。(4分)

①钱金玉官松江千总(    )          ②径之吴淞              (    )

③及东炮台陷      (    )          ④犹大呼“贼奴误国”不已(    )

小题2:下列各句与例句中“焉”的用法相同的一项是(2 分)

例句：焉有食国之禄而逃其难者乎？

A．三人行必有我师焉(《论语》)

B．惧有伏焉(《曹刿论战》)

C．且焉置土石(《愚公移山》)

D．时而献焉(《捕蛇者说》)小题3:用“／”标出下面句子的两处朗读停顿。(2 分)

上官又未有文檄趣君往

小题4:用现代汉语翻译下列句子。(4 分)

(1)钱方假归省亲，闻讯，即束装起行。

(2)素湍绿潭，回清倒影。(《三峡》)

小题5:结合选文内容，说说文中钱金玉是一个怎样的人。(至少两点)(2 分)

对于刚被确诊的肝癌患者，医务人员最妥当的做法应是（）

A.和患者交流时，只字不提任何关于病情的情况

B.向患者本人及家属宣布病情危重程度

C.征求家属意见，尊重患者意愿，向患者家属如实交代病情

D.第一时间将真实的病情告诉病人

E.将假诊断书交给患者，隐瞒病情

Delicate Arch

Delicate Arch can be found in Arches National Park in Utah, USA. The arch stands alone at a height of 52 feet and is considered one of Utah's most important landmarks. In 2002, the Olympic torch passed through this arch to mark the beginning of the winter games.

Wave Rock

This 15-meter high and 110-meter long impressive natural rock formation is located in Western Australia. It looks like a large, smooth wave ready to break. Algae(海藻）grow on the surface of Wave Rock.

The Wave

The Wave is located on the slopes of the Coyote Buttes, Arizona, USA. This incredible formation can be reached by hiking approximately 4.8 kilometers, making the round trip to and from The Wave a nearly 9.7-kilometer hike that climbs about 107 meters in altitude.

James Bond Island

James Bond Island can be found in Aohang-Nga National Park in Thailand. The needle-shaped rock formation was named James Bond Island because it was featured in a 1974 Bond film The Man with the Golden Gun.

Devil's Tower

The formation known as Devil's Tower can be found in Wyoming, USA. Also known as Bear Tower, the rock formation is actually the neck of a volcano. It rises 386 meters above the surrounding land and the top of it is 1.558 meters above sea level.

The Giant's Causeway

The Giant's Causeway is located in Northern Ireland and has a series of over 40,000 columns made of basalt(玄武岩). Each column is connected and the formation is believed to be a result of volcanic ash. Believe it or not, when this formation was first discovered, scientists argued as to how it was formed. Some thought it was natural, others thought it was manmade, and some thought that perhaps it had been created by a giant!

Bryce Canyon National Park

One of the most impressive rock formations in the world is the Bryce Canyon in Utah, USA. It is a national park and despite its name, it is not actually a canyon, but rather a giant natural amphitheater( 圆形竞技场）created by erosion.

Pierce Rock

This rock formation is one of the largest natural arches in the world. This natural arch named Pierce Rock is an island in the Gulf of Saint Lawrence, Canada. It is 433 meters long,90 meters wide, and 88 meters at its highest point.

55. Which of the following rock formations is located in Asia?

A. Wave Rock.                            B. James Bond Island

C. The Giant's Causeway.                    D. Pierce Rock.

56. Which of the following rock formations is related to a volcano?

A. The Wave                            B. Devil's Tower.

C. Bryce Canyon National park.             D. Pierce Rock.

57. Which of the following words can best describe the rock formations?

A. Impressive.                               B. Unexpected.

C. Surprising.                                D. Unexceptional.

58. According to the passage, the scientists once argued with regard to__________at first.

A. why Pierce Rock was so featured

B. when Bryce Canyon National park came into being

C. what on earth these formations are connected with

D. how the Giant's Causeway was formed