4. 按要求选一选,填一填。(填序号)

能围成三角形的3根小棒是(
能围成三角形的3根小棒是(
①②③
),能围成等腰三角形的3根小棒是(③④⑤
),能围成平行四边形的4根小棒是(①②③④
)。答案
4. ①②③ ③④⑤ ①②③④(前两空答案不唯一)
二、下面是某种共享充电宝使用次数的统计表,根据统计表补全统计图。

共享充电宝使用次数统计图(1个☺代表3次)
次数
1号 2号 3号 4号 5号 6号 充电宝

共享充电宝使用次数统计图
次数
18
15
12
9
6
3
0
1号 2号 3号 4号 5号 6号 充电宝
共享充电宝使用次数统计图(1个☺代表3次)
次数
1号 2号 3号 4号 5号 6号 充电宝
共享充电宝使用次数统计图
次数
18
15
12
9
6
3
0
1号 2号 3号 4号 5号 6号 充电宝
答案
12÷3=4(个)
9÷3=3(个)
6÷3=2(个)
12÷3=4(个)
15÷3=5(个)
9÷3=3(个)
答:在1个☺代表3次的统计图中,4号位置补画4个☺,5号位置补画5个☺,6号位置补画3个☺;在条形统计图中,1号绘制高度对应12的直条,2号绘制高度对应9的直条,3号绘制高度对应6的直条,4号绘制高度对应12的直条,5号绘制高度对应15的直条,6号绘制高度对应9的直条,完成统计图补全。
9÷3=3(个)
6÷3=2(个)
12÷3=4(个)
15÷3=5(个)
9÷3=3(个)
答:在1个☺代表3次的统计图中,4号位置补画4个☺,5号位置补画5个☺,6号位置补画3个☺;在条形统计图中,1号绘制高度对应12的直条,2号绘制高度对应9的直条,3号绘制高度对应6的直条,4号绘制高度对应12的直条,5号绘制高度对应15的直条,6号绘制高度对应9的直条,完成统计图补全。
一、给下列单词归类。
scared farmer dress happy scarf driver excited nurse shirt
1. job
2. feeling
3. clothes
scared farmer dress happy scarf driver excited nurse shirt
1. job
farmer
driver
nurse
2. feeling
happy
scared
excited
3. clothes
shirt
scarf
dress
答案
1. farmer driver nurse
2. happy scared excited
3. shirt scarf dress
2. happy scared excited
3. shirt scarf dress
二、Tom 读到了一篇关于消防员的文章。阅读短文,判断句子正(T)误(F)。
Firemen help people every day. They work in fire stations. When the bell rings, they drive trucks fast. They wear helmets(头盔)to keep safe. If(如果)there is a fire, firemen use water pipes(管子)to stop it. Firemen help children get down from high places. Sometimes they help animals too. Firemen don't give up. Their job is hard but very important. They make our city safe.
(
(
(
(
(
Firemen help people every day. They work in fire stations. When the bell rings, they drive trucks fast. They wear helmets(头盔)to keep safe. If(如果)there is a fire, firemen use water pipes(管子)to stop it. Firemen help children get down from high places. Sometimes they help animals too. Firemen don't give up. Their job is hard but very important. They make our city safe.
(
F
)1. Firemen only help with fires.(
T
)2. Firemen work in the fire stations.(
T
)3. Firemen use water pipes to stop the fire.(
F
)4. Firemen's job is not important.(
T
)5. This passage is about the firemen's jobs.答案
1.F 2.T 3.T 4.F 5.T
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