The photographer needs to charge up the digital camera every day as the battery runs quickly. 题目和参考答案——青夏教育精英家教网—

题目内容

The photographer needs to charge up the digital camera every day as the battery runs ________ quickly.

out　

【解析】句意：这位摄影师每天都需要给数码相机充电，因为电池里的电很快就用完了。run out表示“用完；用尽”。

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Dogs wag(摇摆) their tails in different directions depending on whether they are excited and wanting to move forward or threatened and thinking of moving back, a study has found.

Researchers in Italy examined the tail wagging behaviour of 30 dogs, catching their responses to a range of stimuli(刺激物) with video camems. To conduct the study, they chose 15 male dogs and 15 female ones aged between one and six years. The dogs were all family pets whose owners had allowed them to take part in the experiment at Bari University. The dogs were placed in a large wooden box with an opening at the front to allow for them to view various stimuli. They were tested one at a time.

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A. the dogs B. the trainers C. the systems D.the researchers

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B. to help dogs find company

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D. to help people choose their pet dogs

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