Fill in the blanks with the following words in their correct forms.
expert respiration infect tight efficient
pollution difference save beautiful solution
1.Sore throats are often caused by _____________ problems.
2.Whether the problem is_____________ or not has not been decided yet.
3.Mary pays more attention to the_________of learning,and that's why she always finishes homework earlier than her elder sister.
4.The political leaders should ___________ their control on the research and use of nuclear bombs.
5.The mayor is calling on the citizens to try their best to________the city they live in.
6.We need Jim’s technical ______________ to help us get over this difficulty.
7.Personal_____________ is an important factor to modern people.
8.The causes of indoor pollution_____________ from area to area.
9.Human beings have just begun to learn about the many_____________ inside the buildings that cause a lot of health problems.
10.Flu is usually ______,so the best advice is to stay away from people who get flu.
人气:247 ℃ 时间:2020-02-04 06:05:54
解答
1、respiratory
2、solved
3、efficiency
4、tighten
5、save
6、expertise
7、beauty
8、differ
9、pollutions
10、infectious
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