1 . It is reported that all surviving South China tigers are artificially raised. It is worrying. (合并为含有定语从句的复合句)
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2 . 正如我们所知，华南虎现在正处于危险之中，野外一只也没有留下。（汉译英）
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3 . 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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4 . 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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5 . Studying abroad takes us out of our comfort zone and changes us for the better. That is the most important from my point of view.(用定语从句改写)
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6 . 合并为含有定语从句的复合句
A famous craftsman showed us how to make them and displayed many of his art works. They are highly awarded.
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7 . 绿茶是中国最古老的茶叶类型，也是中国产量最大的茶叶。许多省市都以生产绿茶而闻名，最突出的省份是浙江、江西和安徽。在绿茶中，茶叶没有经过发酵，所以它们在很大程度上保留了茶的原始味道，即简单、优雅和持久。刚开始喝的时候，绿茶的味道可能有点淡，但过了一会儿，它的香味就会在口中萦绕。(汉译英)
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8 . The plot of the film develops__________ I foresee, __________makes it a little dull for me as an enthusiast of films.

A．as; which

B．as; who

C．the way; which

D．where; what

9 . World Environment Day is a UN Environment-led global event, ______ takes place on June 5 every year and is celebrated by thousands of communities worldwide. （用适当的词填空）

10 . This year, the 13th Spring Festival Joint Exhibition of Chinese Books, ______ theme was “Reading China”, was held on January 24th in 85 bookstores worldwide. （用适当的词填空）