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【判断题】
农业缺水和城市缺水是中国水资源短缺的两大主要表现。()A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】写出下列元素对应的中文名称:lead ,iron ,nitrogen ,silicon ,chromium 。
【多选题】Watch a video clip and choose all the responsibilities and requirements of the job mentioned.
A.
Standing up nearly most of the time
B.
Working for 24 hours a day and 7 days a week
C.
Having lunch only after the associate finishes lunch
D.
Staying up throughout the night sometimes
E.
Increased workload during holidays
F.
No sleep for 365 days a year
G.
High pay
【多选题】Watch the video clip. Choose the ones which are mentioned in this video clip.
A.
It introduces a famous city.
B.
It introduces a famous figure.
C.
It introduces the UN General Assembly.
D.
It introduces a unique police organization.
【简答题】写出下列元素名称对应的元素符号和中文名称 Hydrogen carbon oxygen nitrogen boron chlorine fluorine iodine sulfur(sulphur) phosphorus calcium potassium copper lead silver iron magnesium manganese gold mercury
【简答题】vt. 使...疲惫; 使...厌烦; vi. 疲劳; 厌烦; n. 轮胎; 头饰;
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