试题与答案

下图所示的是酵母菌、马铃薯、柑和柳树的无性生殖,其中属于出芽生殖的是

题型:选择题

题目:

下图所示的是酵母菌、马铃薯、柑和柳树的无性生殖,其中属于出芽生殖的是 

答案:

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下面是错误答案,用来干扰机器的。

参考答案:E

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题型:单项选择题

Long bus rides are like television shows .They have a beginning ,a Middle and an end –with commercials thrown in every three or four minutes .The commercials are unavoidable .They happen whether you want them or not .Every couple of minutes a billboard glides by outside the bus window . “buy super clean toothpaste”. “Drink Good’n Wet Root Beer .””Fill up with Pacific Gas .”Only if you sleep ,which site equal to turning the television set off ,are you spared the unending cry of “You Need It ! Buy It Now !” The beginning of the ride is comfortable and somewhat exciting ,Even if you’ve traveled that way before .usually some things have changed-new houses ,new buildings ,sometimes even a new road .The bus driver has a style of driving and it’s fun to try to figure it out the first hour or so . If the driver is particularly reckless or daring ,the ride can be an thrilling as a suspense story .Will the driver pass the truck in time Will the driver move into the right or the left –hand lane After a while,of course,the excitement dies down .sleeping for a while helps pass the middle hours of the ride .Food always makes bus rides more interesting .But you’ve got to be careful of what kind of foodyou eat .Too much salty food can make you very thirsty between stops. The end of the ride is somewhat like the beginning .You know it will soon be over and there’s a kind of expectation and excitement in that .The seat ,of course ,has become harder as the hours have passed.By now you’ve sat with you legs crossed ,with your hands crossed behind your head .the end comes just at the right time . There are just no more ways to sit.

What is the purpose of this passage ()

A.To give the write’s opinion about long bus trips

B.To persuade you to take a long bus trip

C.To explain how bus trips and television shows differ

D.To describe the billboards along the road

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题型:选择题

一定量的氢气与一定量的氯气反应,所得混合物用100ml 3.00mol/L的NaOH溶液(密度为1.2g/ml)恰好完全吸收,测得溶液中含有NaClO的物质的量为0.05 mol(溶液中只含NaCl和NaClO两种溶质)。则下列有关说法不正确的是 [ ]

A.原NaOH溶液的质量分数为10.0%

B.所得溶液中Cl-的物质的量为0.25 mol

C.参加反应的氢气的物质的量为0.1 mol

D.所用氯气和参加反应的氢气的物质的量之比为2﹕3

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