每到冬天,森林里都铺满了一层厚厚的落叶。年复一年,森林里的落叶层并没有越积越厚的

题型:选择题

问题:

每到冬天,森林里都铺满了一层厚厚的落叶。年复一年,森林里的落叶层并没有越积越厚的主要原因是

A.被人类收集走用做柴火烧掉了

B.落叶被鸟儿叼走建筑巢穴了

C.牛、羊等食草动物将其吃掉了

D.细菌和真菌逐渐将其分解了

考点:生态系统的概念和组成食物链和食物网生态系统的多样性生态系统的自动调节能力生态系统的功能
题型:选择题

下列属于左冠状动脉分支的是()

A.右缘支

B.心室支

C.后降支

D.旋支

E.房室结支

题型:选择题
阅读下面短文,掌握其大意,然后从1—15各题所给的A、B、C和D项中,选出最佳选项,并在答题卡上将该项涂黑。
First of all, successful language learners are independent learners. They  1  their own way to learn the language. Instead of  2 for the teachers to explain, they try to find the pattern and rules for themselves. They are good  3 who look for clues and form their own conclusions. When they guess wrong, they guess again. They try to learn from their mistakes.        
Secondly,   4  language learners are active in  5 , therefore, they do not wait for a chance to use the languages, and they look for such a chance. They find people who speak the language and let those people  6 them when they make a  7 . They will try anything to communicate. They are not afraid to repeat what they hear or to say  8  things which sound weird. They are willing to make mistakes and try again, when communication is difficult. They can accept information that is  9  or incomplete. It is more  10  for them to learn to think in the language than to know the  11 of every word.
  12 successful language learners are learners with  13 . They want to learn language because they are interested in the language and the people who speak it. It is necessary for them to learn the language in order to  14 with these people and to learn from them. They find it easy to practice using the language  15  because they want to learn it.
小题1:
A.learnB.observeC.discoverD.notice
小题2:
A.delayingB.waitingC.postponingD.staying
小题3:
A.findersB.thinkersC.believersD.guessers
小题4:
A.winningB.luckyC.successfulD.flourishing
小题5:
A.discoveringB.memorizingC.learningD.studying
小题6:
A.correctB.changeC.adjustD.mark
小题7:
A.mistakeB.pointC.failureD.fault
小题8:
A.awkwardB.strangeC.unfamiliar D.curious
小题9:
A.unobvious B.incredibleC.incorrect D.indifferent
小题10:
A.funnyB.interestingC.importantD.boring
小题11:
A.meaning B.contentC.contextD.explanation
小题12:
A.Finally B.SecondlyC.Thirdly D.Mostly
小题13:
A.purpose B.interestC.matterD.concern
小题14:
A.convey B.inform C.report D.communicate
小题15:
A.regularly B.commonly C.typically D.usually
题型:选择题

麻醉中循环监测最常用和最简单的工具是()

A.血压计

B.听诊器

C.血气分析仪

D.心电监测仪

E.脉搏血氧饱和度监测仪

题型:选择题

管理信息系统是一个由人和( )等组成的,能进行信息收集、传递、存储、加工维护和使用的系统。

A.软件

B.计算机

C.数据库

D.通讯设备

题型:选择题

日本血吸虫病病变主要部位在

A.皮肤、淋巴结

B.肺、脑

C.肝、脾

D.肝、结肠

E.脾、结肠

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