Yuan Longping has devoted all his life _______ the research and the _______ of the rice plants.
A. on, development B. to, development
C. to, developing D. on, developing
Though they are _______ little children, they have worked out _______ many difficult math problems.
A. so, so B. such, such
C. so, such D. such, so
________ of the students in our class ________ interested in WeChat on the Internet.
A. Two-fifths, is B. Two-fives, is
C. Two-fifth, are D. Two-fifths, are
Marie Curie also ________ the use of X-ray machines, ________ now widely used in hospitals.
A. pushed for, which is B. pushed out, which are
C. pushed for, which are D. pushed in, which is
—I’ve got _________ lovely pet cat from my aunt. —Wonderful! Is it ______ one sitting on your bed?
A. a; a B. a; the C. the; a D. the; the
书面表达
卫生健康饮食:健康一直是人们关注的问题我校要举行以“关爱健康”为题的主题班会,请根据下表内容谈谈你的看法,写一篇80字左右的演讲稿。
保持健康的重要性;保持健康的方法;保持健康的结论.（你的看法?）
1．多吃水果蔬菜保持饮食平衡避免含糖高脂肪高的食物
2．多锻炼健身强体;
3．鄙弃不良习惯（你的看法?
How to stay our health /fit?
Dear boys and girls：
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