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以下关于我国科技史,不正确的是()。 A.1965年,我国首次人工合成了结晶牛胰岛素

以下关于我国科技史,不正确的是( )

A.1965年,我国首次人工合成了结晶牛胰岛素

B.世界上首次作出哈雷彗星的确切记录的是《春秋》

C.我国古代最初采用的计算工具是算筹

D。“月光生于日之所照,魄生于日之所蔽,当日则光盈,就日则光尽。”是元朝天文学家郭守敬对日食现象作出的科学解释

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更多“以下关于我国科技史,不正确的是()。 A.1965年,我国首次人工合成了结晶牛胰岛素”相关的问题

第1题

听力原文:Our lost-and-found system allows you to notify us if you lose an item while ridin
g Metro. Once you submit information on the item, a search is done of the items we have found.If there is a match, you will be contacted to confirm it is your item. Then the item can be picked up or shipped to you. You will only be contacted if a match is found for your item.

According to the passage, when will the person be contacted by the lost-and-found office?

A.When the person is on the subway.

B.When the person comes to the office in person.

C.When the office finds a match for the item lost.

D.When the office finishes the search for the item lost.

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第2题

听力原文:What's the extension number of the head office?(A) It's on 5th and Main street.(B

听力原文:What's the extension number of the head office?

(A) It's on 5th and Main street.

(B) I think it has 12 floors.

(C) You should check their website.

(27)

A.

B.

C.

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第3题

在南瓜中果实的白色(W)对黄色(ω)是显性,盘状果实(D)对球状果实(d)是显性,且这两对基因是独立的,则Wωdd×ωωDd产生的后代基因型及比例为______。

A.1/4WωDD、2/4WωDd、1/4Wωdd

B.1/4WWDD、1/4ωωdd、1/4WWDd、1/4ωωDd

C.1/2Wωdd、1/2WωDd

D.1/4WωDd、1/4Wωdd、1/4ωωDd、1/4ωωdd

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第4题

............people from the office see two men they know having dinner together,A.Whet

............people from the office see two men they know having dinner together,

A.Whether

B.Even If

C.If

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第5题

&8226;You are going to be out of the office.&a...

&8226;You are going to be out of the office.

&8226;Write an E-mail to customers:

Reminding them that you are out of the office

Saying when you will be back in the office

Suggesting who should be contacted for urgent questions.

&8226;Write 30-40 words.

&8226;Write on your Answer Sheet.

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第6题

Could we postpone my visit to your office until the week commencing 5 September?A.The visi

Could we postpone my visit to your office until the week commencing 5 September?

A.The visit will be delayed until someday after September 11th.

B.The visit will be made someday from September 5th to September 11th

C.The visit will be cancelled because of a meeting on September 5th.

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第7题

&8226;You are going to be out of the office.&8226;Write an E-mail to customers:Reminding t

&8226;You are going to be out of the office.

&8226;Write an E-mail to customers:

Reminding them that you are out of the office

Saying when you will be back in the office

Suggesting who should be contacted for urgent questions.

&8226;Write 30-40 words.

&8226;Write on your Answer Sheet.

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第8题

To get the best view of Sydney Harbour, take a Sydney Seaplane flight ______ the Harbour a
nd Bondi Beach.

A.above

B.under

C.over

D.across

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第9题

To get the best view of Sydney Harbour, take a Sydney Seaplane flight ______ the Harbour a
nd Bondi Beach.

A.above

B.under

C.over

D.across

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