1 . 尽管这位科学家的人生跌宕起伏，但他坚持自己的愿景，始终致力于自己的目标，这最终为他赢得了同行和科学界的掌声。(cling) (汉译英)
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2 . 再过几十年，这位天文学家才能收集到足够的信息来确定这颗新发现的行星的轨道，该行星以他的名字命名。（before）（汉译英）
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3 . 许多物种正以惊人的速度消失，其中一些将面临在未来几十年内灭绝的风险。(which) (汉译英)
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4 . Grass skiing is a rising form of entertainment, popular with young people, ___________focus is on the adventurous and enjoyable form of a sports activity.

A．who

B．when

C．where

D．whose

5 . At least 20 people lost their lives in the air crash and, according to the hospital, ___________was the pilot, who died soon after he was sent to the hospital.

A．among which

B．among whom

C．among them

D．among what

6 . 杭州亚运会开幕式以水为主题，融入科技元素，整场演出恢弘大气，让人印象深刻。(which) (汉译英)

7 . 我喜欢罗马这座古城，它给我提供了很多令人着迷的景点和杰作，让我难以移开我的视线。(which) (汉译英)

8 . She gave another piece of advice,         I think is of great help to the research work.

A．that

B．who

C．what

D．which

9 . 这已是该地区第三次爆发森林大火了，这些火灾不仅严重破坏了自然平衡，也对人类生命构成了极大的威胁。（disturb) （汉译英）

10 . Pumpkins are believed to have originated in North America, _______ seeds from related plants have been found dating back to 7,000 B.C.

A．as

B．which

C．where

D．whose