问答题

Only recently______________________________(科学家才开始意识到咖啡因可能给我们的健康带来的危险)．

【参考答案】

have scientists begun to realize the dangers，caffeine might ......

(↓↓↓ 点击下方‘点击查看答案’看完整答案、解析 ↓↓↓)
<上一题 目录 下一题>
热门 试题

单项选择题
It can be inferred from the passage that high-quality college education calls for______.
A．putting academic work in the proper context
B．a commitment to students and effective teaching
C．the practice of putting learning to productive ends
D．dedication to research in frontier areas of knowledge
单项选择题
According to the author, when a doctor tells a patient to return next Wednesday , the doctor is in effect______.
A．advising the patient to seek a second opinion
B．admitting that the initial visit was ineffective
C．instructing the patient to buy more medical services
D．warning the patient that a hospital stay might be necessary
相关试题