—What does PM 2.5 mean? —It's a professional ________ indicating the condition of air pollution.

试卷相关题目

• 1The children all look forward to _______ the carnival next week.

  A.take part

  B.take part in

  C.taking part

  D.taking part in

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• 2 —David, your application for a loan has ________. —Thank goodness! I badly need it now.

  A.gone through

  B.pulled through

  C.taken over

  D.signed over

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• 3I was completely terrified when I suddenly saw a dark figure leaning ________ the door in front of me.

  A.in

  B.to

  C.against

  D.by

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• 4He thought that as he had worked for the company for so long, he _________ higher pay.

  A.received

  B.required

  C.deserved

  D.saved

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• 5China issued _________ new plan which calls for immediate action to deal with _________ country worsening air pollution.

  A.the ; a

  B.a ; the

  C.a ; a

  D.a ; /

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• 6 While working outdoors, Linda was ________ by the heat and fell to the ground, unconscious.

  A.astonished

  B.depressed

  C.overcome

  D.hit

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• 7Growing up _____ be difficult, for you will come across many things that confuse you．

  A.can

  B.should

  C.must

  D.shall

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• 8Put the cleaned fish in a mixture of 300g of salt and one liter of water to ________ all of the blood from the fish meat.

  A.replace

  B.remove

  C.calculate

  D.spoil

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• 9Butterflies ________ a sweet liquid produced by flowers, which bees and other insects collect.

  A.carry on

  B.feed on

  C.put on

  D.focus on

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• 10Many dog owners treat their pets like human beings, ________ if they do not have children of their own.

  A.absolutely

  B.especially

  C.eventually

  D.extremely

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