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生铁是______的合金，含有的杂质主要有______．“不锈钢”是在钢中掺入一定量的合金元素形成的．这些合金元素主要有______．
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【简答题】Liu lived in a small village. The nearest big city (1) ___many kilometres away. Although his brother (2) ___in the city, Liu (3) ___never there until recently. Last month his brother died and he (4) _...
【单选题】The leader of the expedition ________ everyone to follow his example.
A.
promoted
B.
reinforced
C.
sparked
D.
inspired
【简答题】完形填空。 Sam _ 1 _ doing chores. But he had to do _ 2 _ chores. For example, on Mondays, Wednesdays _ 3 _ Fridays he took out the trash. And on weekends he always washed his father's car. He a1so cleaned...
【简答题】Unit 1-2 Complete the following paragraph with blanks using proper words we have learned in the passage. A 1 is a year between leaving high school and going to college, which some young people use an...
【简答题】4 ways sound affects you Explanation Positive / Neutral example Negative example Physiologically Sound affects our hormones, breathing, heart rate, etc. 1. Alarm clock 2. 3. 4. Sad music Cognitively 5...
【简答题】People often say that a dog is 1 best friend.Over 2 of years, man has taught his dogs to do many kinds of work 3 guarding the home.For example, sheepdogs are famous 4 their ability to control a flock(...
【单选题】在学习《看云识天气》时，教师引导学生学习说明文中关于说明方法的相关知识，以下教师的说法正确的是（）。
A.
“卷云丝丝缕缕地飘浮着，有时像一片白色的羽毛，有时像一块洁白的绫纱”运用的是分类别的说明方法
B.
“那最轻盈、站得最高的云，叫卷云”运用了摹状貌的说明方法
C.
“有的像鱼鳞，一片片整整齐齐地排列着；有的像羊群，来来去去……”运用了打比方的说明方法
D.
“人们常说：‘东虹轰隆西虹雨”’运用了举例子的说明方法
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