Once ecosystems pass their tipping point (临界点),it is (remarkable) difficult for them to return.

1. Once ecosystems pass their tipping point (临界点),it is (remarkable) difficult for them to return.

【考点】

副词的用法;

【答案】

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语法填空（单句）普通

1. Simply (keep) a diary that keeps track of friends' birthdays and other important dates will make sure nothing slips by you.

语法填空（单句）普通

2. I (encounter) many hikers who were headed to a distant campground with just enough time to get there before dark.

语法填空（单句）普通

3. 她从来没有想到她丈夫会乘直升机寻找她。

①that her husband searches for her by helicopter.(陈述句)

②that her husband searches for her by helicopter.(部分倒装)

句子翻译普通