举一反三
- The study says there must be a complete ______ of air traffic control systems.
- satelliteautomatevaporin the air expansionhazardincorporate take control of lucrativemagneticget/be stuck inmountsignal bunchvibrateapproximatelycalculateapartcorrelate frequency From the control tower, air traffic controllers coordinate aircraft movement both ____ and on the ground.
- Would you buy a car that released calming smells into the air when you are stuck in heavy traffic? (VOA)
- The<br/>woman says that Mrs. Smith might ( ). A: be<br/>stuck in traffic B: get soaked C: think that class is canceled
- _________ that there is another football match on the air this evening. A: It says B: It was said C: It is said D: What was said
内容
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The woman says that Mrs. Smith might_______. A: be stuck in traffic B .get soaked think that class is canceled B: Listen to the weather forecast. Choose the best answers to the questions below.
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Which of the following in NOT true of the nuclear envelope? () A: The nuclear envelope is exactly like other cellular membranes. B: The nuclear envelope separates the genetic material from the cytoplasm. C: The nuclear envelope is a pair of concentric membranes. D: The nuclear envelope is studded with pores.
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What does the professor mean when he says this A: Little is known about defining a substance as an air pollutant. B: The substance isn’t an air pollutant when there is a very little in the air. C: The substance can’t be judged to be an air pollutant only from its actual concentration level. D: The actual concentration level means little to peopl
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get stuck with
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--I wonder why Mr. Brown hasn’ t showed up at the meeting yet.--I’ m not sure, but he__________ in a traffic jam driving here. A: could be stuck B: might stuck C: might have been stuck D: must have stuck