完形填空(共15小题;每小题2分,满分30分) 阅读下面短文,掌握其大意,然后从

题型:完形填空

问题:

完形填空(共15小题;每小题2分,满分30分)
  阅读下面短文,掌握其大意,然后从下列各题所给的四个选项中, 选出最佳选项,并在答题卡上将该项涂黑。
Last summer Tom and his friends George and Bill wanted to take a vacation. But they did not have much __26__.They decided that a ___27____ mountain climbing expedition(探险;郊游)was the only trip they could ___28____.Since each of them was ____29____ to climbing,the vacation would be a lot of fun. Tom made all the plans. He ____30_____ that they should share the expenses for food and gas equally and that each one should bring some ____31____ clothes because the weather at ____32____ altitudes is usually cold. The boys were not in a hurry,so they climbed ____33____ the first day. The weather was __34__,and they enjoyed the fresh __35__ as they climbed up a narrow path.
Tom expected the weather to stay nice,but late in the afternoon there was a __36__.The boys rushed toward a cave and decided to camp there that night.
When the sun rose the next morning,they continued __37__.As the boys went higher,the climbing became more __38__,and by late that afternoon the trip appeared endless. When they finally reached the __39__ of the mountain,they saw a beautiful sight. The colors of the sunset were yellow,red,and gold. The boys relaxed and enjoyed the view. The farms and fields of wheat and corn below appeared very small. In the distance,they could see trees,hills and valleys. They __40__ a week in the mountains. They really had great fun.  
小题1:.
A.time B.moneyC.costD.fare
小题2:
A.shortB.long C.freeD.pleasant
小题3:
A.takeB.haveC.afford D.go
小题4:
A.accustomedB.likedC.fondD.interested
小题5:
A.said B.thought C.suggested D.wanted
小题6:
A.moreB.extraC.beautiful D.expensive
小题7:
A.lowB.high C.mountainousD.top
小题8:
A.usuallyB.casually C.quicklyD.happily
小题9:
A.pleasantB.pleaseC.hotD.cold
小题10:
A.rainB.airC.view D.plants
小题11:.
A.sunshineB.wind C.storm D.cloud
小题12:
A.climbingB.campingC.cyclingD.hunting
小题13:
A.easyB.excitingC.tiredD.dangerous
小题14:
A.sideB.middleC.footD.top
小题15:
A.tookB.restedC.spentD.walked
考点:人物传记类阅读故事类阅读
题型:完形填空

关于门脉系统的描述正确的是

A.位于两个毛细血管网之间
B.血管中静脉瓣较多
C.正常压力为25~36cmH2O
D.占肝的血流量大,但供养比例远低于肝动脉
E.压力大于肝动脉

题型:完形填空

能改变整幅图像密度的处理参数是()

A.GT

B.GA

C.GC

D.GS

E.RN

题型:完形填空

表示干出滩时,用符号表示干出滩的(),用填绘描述()。

题型:完形填空

某矩形基坑采用在基坑外围均匀等距布置多井点同时抽水进行降水,井点围成的矩形平面尺寸为50m×80m,按无压潜水完整井进行降水设计,已知含水层厚度H=20m,单井影响半径r=100m,渗透系数k=8m/d,如果要求水位降深s=4m,试计算井点系统降水涌水量。

题型:完形填空

等量的气体压力增高,其体积();气体压力减小,其体积()。

A、增加

B、不变

C、减小

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