单选题:From the fourth paragraph, we learn that Google's money is a

题目内容:
From the fourth paragraph, we learn that Google's money is also invested to help_________ A. start more re, search programs
B. make more advanced electric cars
C. develop renewable and coal-based energy
D. conduct studies related to climate changes
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硬盘带引导型病毒,当用硬盘启动系统时,Windows一定可以正确启动,而不受病毒的危害。(  )

硬盘带引导型病毒,当用硬盘启动系统时,Windows一定可以正确启动,而不受病毒的危害。(  )

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What places will the visitors see in the company?,__________

What places will the visitors see in the company?,__________________and the labo

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A) 1 week.B) 2 weeks. C) 3 weeks,D) 4 weeks.

A) 1 week.B) 2 weeks. C) 3 weeks,D) 4 weeks.

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计算机病毒是一种对计算机系统具有破坏性的(  )。

计算机病毒是一种对计算机系统具有破坏性的(  )。

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