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After circling around the earth for three days, Shenzhou Spaceship received the command from the

ground that ________(它着陆) as scheduled the next day. (land)

________(根据这份报告), the English government decided to ask Captain James Cook

to go and look for this continent. (base)

People's expectations about a product and the way ________(它工作的)are highly

informed by their mental model. (work)

The part ________(中国所起的)in the international affairs is widely praised in

international society. (play)

The old pianist wouldn't listen to our repeated request that ________(他演出)in public

again. (play)

________(多么有趣的角色)she played in the film! No wonder she has won an Oscar.

(what)

He was worried, because he lost his bag ______(装着护照的), ID card and a lot of money.

(contain)

When he came back a moment later, he found ________(门关着). (close)The reason ________(英语变化了)over time lies in the fact that when cultures meet

and communicate with each other all languages change and develop. (changed)

Listen to the two girls by the window. What language ________(他们讲)? (speak)

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“红柿摘下未熟,每篮用木瓜三枚放入,得气即熟,并无涩味”,这是宋朝苏轼《植物粗谈·果品》中记录的一种方法。此文中“气”指的是什么,其功能是什么?

[  ]

A.“气”指的是CO2,作用是使柿成熟B.“气”指的是乙烯,作用是去除柿的涩味C.“气”指的是乙烯,作用是果实催熟D.“气”指的是生长素,作用是促使子房发育为成热的果实

完成句子

I happened to meet one of my friends while __________(在街上散步时). (walk)________(为了平静下来), she turned on the radio to listen to the light music. (calm)My father asked me ________(我是否相处得好)with my classmates in the new school.

(get)

All these gifts must be mailed immediately so as to ________(及时收到)for Christmas.

(receive)

This is the first time we ________(看电影)in the cinema together as a family. (see)She and her family hid away for nearly twenty five months ______ (才被发现).

(discover)

It was after he got what he had wanted __________(他才意识到)it was not so important.

(realize)

My sister is very upset today.You ________(不该告诉她)the bad news yesterday. (tell)Mother wanted to be a good provider, a role she ________(一直肩负的)since her

marriage to father. (shoulder)

Today, we will begin ________(我们昨天结束的地方)so that no point will be left

out. (stop)

种子的休眠、萌发与植物激素有着密切的关系。将休眠状态的糖枫种子与湿砂混合后放在0~5℃的低温下1~2个月,就可以使种子提前萌发,这种方法叫层积处理。下图表示糖枫种子在层积处理过程中各种激素含量的变化情况,请据图回答下列问题。

(1)从图中可以看出___\_对种子的萌发起抑制作用,在种子破除休眠的过程中,赤霉素与脱落酸之间存在____\_关系。各种激素含量的变化说明了_________。(2)马铃薯块茎收获后也存在类似的休眠现象,要破除休眠使之提前萌发应该使用图中的____\_处理,但在生产上人们常使用的是人工合成的此类激素的类似物,因为该类物质________。

下列有关植物激素和动物激素比较的说法,错误的是

[  ]

A.植物激素和动物激素一样,都能对生命活动起调节作用B.植物激素和动物激素一样,都是含量微少但作用明显C.植物激素和动物激素一样,都是蛋白质类的物质D.植物激素和动物激素一样,对生命活动的调节往往是多种激素综合起作用的结果

在早春低温时为了让水稻种子早发芽,稻农常将种子置于流动的河流或溪水中浸泡一段时间。这种做法与下列哪种激素变化的相关性最大

[  ]

A.脱落酸B.细胞分裂素C.赤霉素D.生长素

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