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2. 在“文明小队”创建活动中，第一小队有6人，共获得文明积分186分；第二小队有5人，共获得文明积分165分；第三小队有6人，共获得文明积分180分。你认为哪个小队获得第一名才公平合理？说明你的理由。
答案
第一小队平均数: 186 ÷ 6 = 31（分）。第二小队平均数: 165 ÷ 5 = 33（分）。第三小队平均数: 180 ÷ 6 = 30（分）。33＞31＞30，第二小队获得第一名公平，因为每队的人数不一样，所以按照每队的平均数排名最公平。
一、看图片，选择与图片相符的对话或句子。
1. （
4. （
A. —Where is Amy? Is she in the study?
—Yes, she’s reading a book.
B. —Where is the boy?
—He’s in the living room. He’s sweeping the floor.
C. —What time is it?
—It’s 12 o’clock. It’s time for lunch.
D. It’s time for maths class. Let’s count and write.
E. It’s time for English class. Let’s read and write.
1. （
B
） 2. （E
） 3. 4. （C
） 5. （D
）A. —Where is Amy? Is she in the study?
—Yes, she’s reading a book.
B. —Where is the boy?
—He’s in the living room. He’s sweeping the floor.
C. —What time is it?
—It’s 12 o’clock. It’s time for lunch.
D. It’s time for maths class. Let’s count and write.
E. It’s time for English class. Let’s read and write.
答案
1. B 2. E 3. A 4. C 5. D
二、选择合适的单词补全句子或对话
1. Look! The boy is
2. Let's
3. —How many
—Three.
4. Don't
5. —How
—Forty yuan.
1. Look! The boy is
singing
(sing / singing)2. Let's
pick
(pick / picks) some vegetables on the school farm.3. —How many
pencils
(pencil / pencils) do you have?—Three.
4. Don't
run
(run / runs) on the road, Diandian.5. —How
much
(many / much) is your new T-shirt?—Forty yuan.
答案
1. singing 2. pick 3. pencils 4. run 5. much
