[单选题] We were informed that our flight ______ because of the mechanic failure

1、[单选题]May's ability to learn from observations _____greatly to her success in public life.

• A、belonged
• B、contributed
• C、attached
• D、turned

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2、[单选题]The plane took ____at 10 o'clock sharp.

• A、off
• B、On
• C、in
• D、over

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3、[阅读理解]【阅读理解】What is thc bcst title for this passage?
A. Anger: A Normal Emotion
B. The Ways to Express Anger
C. Hormones: The Rcsult of Anger
D. Anger and the Ways to Cope with it

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4、[阅读理解]【阅读理解】What is genetic engineering?
A. A type of genetically modified food.
B. A plant that can produce pink flowers.
C. A laboratory where scientists do research.
D. A technology to put the genes of one species into another.

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5、[阅读理解]【阅读理解】In Paragraph 2, "repressing" means___
A. releasing
B. suppressing
C. expressing
D. Reasoning

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