单句语法填空
1．Recently，a new research has suggested the possibility in a popular magazine pleasant smells might reduce pain.
that 解析：句意：最近，在一本流行杂志中，有一项新的研究表明好闻的气味有可能减少疼痛。设空处引导同位语从句，对possibility进行解释说明，且从句中不缺成分，意义完整，故填that。
2．You should first explore your talents and get to know yourself so as to make a list of you think your real interest lies.
where 解析：句意：你应当首先开发你的天赋，了解你自己，以便列出一个你认为你真正的兴趣所在的单子。设空处引导宾语从句，作介词of的宾语，且在从句中作地点状语。
3．Through the process of comparison, it might be easier for us to understand important belief really is.
how 解析：句意：通过比较的过程，我们可能更容易理解信念是多么重要。设空处引导的从句作understand的宾语，且修饰形容词important，应用how引导该从句。
4．With an optimistic attitude and a strong will, we can overcome difficulties we might meet with and achieve our goals.
whatever 解析：句意：拥有乐观的态度和强烈的愿望，我们能够克服可能遇到的任何困难，取得成功。通过分析句子可知，overcome后为宾语从句，动词短语meet with后缺少宾语，再结合句意可知用whatever修饰名词difficulties，引导宾语从句。
5．Earthquakes worry people a lot. The reason is we often do not know when they are coming. People can not prepare for it.
that 解析：句意：地震让人们很担忧。原因是我们通常不知道它们什么时候发生。人们没法做准备。设空处引导表语从句，从句的结构和意义完整，所以用that引导。
6．The difficulty lies in they will come to our help immediately.
whether 解析：句意：困难在于他们是否会马上来帮助我们。分析句子结构可知， they will come to our help immediately是介词in的宾语从句，根据句意可知，设空处表示“是否”，故用whether引导。
7．They would appreciate it, to be frank， the goods could be delivered as soon as possible.
if 解析：句意：坦白地说，如果货物能够尽快被运送，他们将会非常感激。would appreciate it if...表示“如果……将不胜感激”，it作形式宾语，真正的宾语是if引导的从句。
8． is expected to happen that small automated buses could make a difference when present humanoperated transport has proved inefficient.
It 解析：句意：人们预测，当现有的人力交通运输系统被证明效率低下时，小型自动巴士可能会产生影响。根据句意以及句子结构可知，设空处为形式主语，真正的主语是that从句，故用It作形式主语。
9．It turns out that looking attractive in photos isn’t easy due to the researchers are calling the “frozen face effect”．
what 解析：分析句子结构可知，介词to后面的宾语从句中are calling缺少直接宾语，故填what。
10．It is obvious the local government can do to protect the environment for future generations.
what 解析：句意：为了子孙后代，当地政府在保护环境方面所能做的事情是显而易见的。It为形式主语， the local government can do to protect the environment for future generations是真正的主语，该主语从句缺少宾语，且表示物，故填what。
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