题目内容

【题目】When it was his turn to deliver his speech, __________, he walked towards the microphone.

A. nervously and embarrassingly

B. nervous and embarrassedly

C. nervously and embarrassing

D. nervous and embarrassed

【答案】D

【解析】句意:轮到他演讲时,他紧张地窘迫地走向麦克风。nervous and embarrassed 形容词作状语,表示主语的情态。也可以用nervously and embarrassedly。

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【题目】Scientists have discovered that ____【1】____(stay) in the cold could help us lose weight. Researchers at the University of California found that exposure to the cold increases levels of a protein that helps form brown fat -------- the type of fat that produces heat and keeps us warm. Brown fat burns energy, ____2______ helps us lose weight. White fat stores extra energy, which results ____3_____ weight gain. The researchers said that because air conditioning and heating give us constant, ____4_______(comfort) temperatures, our body's need for brown fat has decreased. They found that: "Outdoor workers in northern Finland who _____5______(expose) to cold temperature have __6____ significant amount of brown fat when ___7___(compare) to same-aged indoor workers."

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