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题型：语法填空（单句）题类：难易度：普通

外研版（2019）选择性必修第二册Unit 3 Times change! Section A课时练习

It is likely that gates open at 10:30 a.m.and (admit) is free.

举一反三

In order to prevent an earthquake, the {#blank#}1{#/blank#}(结构) of the buildings must be improved.

Now, electric shock training and medical {#blank#}1{#/blank#} (治疗) are helping to rescue these big birds.

If it's a choice between higher pay and job{#blank#}1{#/blank#}(保障), I'd prefer to keep my job.

In a{#blank#}1{#/blank#} to the killed and wounded，many were missing.

It is our {#blank#}1{#/blank#}(responsible) as scientists to declare the value of science.

I haven't seen Sara since she was a little girl, and she has changed beyond r{#blank#}1{#/blank#}. (根据首字母单词拼写)

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