问题 选择题

下列一组全为蕨类植物的是(  )

①石花菜       ②贯众         ③卷柏         ④红萍.

A.①②③

B.②③④

C.①③④

D.①②④

答案

蕨类植物,有了根、茎、叶的分化,根能吸收大量的水和无机盐,并且体内有输导组织,能为植株输送大量的营养物质供植物生长利用,因此蕨类植物一般长的比较高大.蕨类植物不结种子,用孢子繁殖后代.如卷柏、贯众、红萍等都属于蕨类植物;石花菜的结构简单,无根、茎、叶的分化,属于藻类植物.可见B符合题意.

故选:B

完形填空

Do you know who invented tea? It is said that the emperor Shen Nong  discovered   tea when he was boiling drinking water 21 an open fire. Some leaves from a nearby tree fell into the water and the leaves were in the water for  22 . The emperor noticed that the leaves in the water produced a  23   smell. Later he decided 24  the hot water with the leaves. It was quite delicious. And  25 , one of the worl’s favorite drinks was invented.
26 is the home of tea. And tea has more than 4,000 years history. 27  the three drinks—tea, coffee and cocoa, tea is drunk by  28  people in the world. Tea  29 China began to be known by the world over a thousand years ago and has been an important Chinese export (出口商品) 30  .
Tea leaves  31  mainly in the south of the Yangtze River, 32 the warm climate (气候)there. Longjing, Wulong, Pu’er and Tieguanyin are all  33   kinds of tea.
Over the past centuries, Chinese people  34   their tea culture(文化), including tea planting, tea-leaf picking, tea making and so on. We know tea is  35   a popular topic(主题) in dances, songs, poems and novels.
小题1:
A.in B.byC.overD.to
小题2:
A.sometimesB.some timeC.some timesD.some days
小题3:
A.pleasantB.pleasedC.badD.terrible
小题4:
A.not to tasteB.to tasteC.tastingD.taste
小题5:
A.by the wayB.on the wayC.on its wayD.in this way
小题6:
A.JapanB.ChinaC.AmericaD.England
小题7:
A.InB.ForC.OfD.By
小题8:
A.the number ofB.a number of
C.a large number ofD.the largest number of
小题9:
A.toB.fromC.inD.off
小题10:
A.At that timeB.from now onC.since thenD.since now
小题11:
A.produceB.are producedC.makeD.are made
小题12:
A.becauuse of B.becauseC.asD.for
小题13:
A.interestingB.importantC.famousD.expensive
小题14:
A.had developedB.have developedC.developedD.are developing
小题15:
A.tooB.as wellC.eitherD.also
选择题