二、图1是从上面看一些小正方体所搭几何体的平面图,方格中的数字表示该位置的小正方体的个数,请你在图2的方格纸中分别画出这个几何体从正面和左面看到的图形。
3
1 1 2
1
图1
3
1 1 2
1
图1
答案
从正面看的图形:
共3列,从左到右每列竖直排列的小正方形数量依次为3、1、2,所有小正方形底部对齐。
从左面看的图形:
共3列,从左到右每列竖直排列的小正方形数量依次为3、2、1,所有小正方形底部对齐。
共3列,从左到右每列竖直排列的小正方形数量依次为3、1、2,所有小正方形底部对齐。
从左面看的图形:
共3列,从左到右每列竖直排列的小正方形数量依次为3、2、1,所有小正方形底部对齐。
三、解决问题。
将一个体积是24 $\mathrm{dm}^3$的不规则铁块浸没(水未溢出)在一个长8 dm、宽6 dm的装有水的长方体容器中,水面会上升多少分米?(容器厚度不计)

将一个体积是24 $\mathrm{dm}^3$的不规则铁块浸没(水未溢出)在一个长8 dm、宽6 dm的装有水的长方体容器中,水面会上升多少分米?(容器厚度不计)
答案
$24÷(8×6)=0.5$(分米)
答:水面会上升0.5分米。
答:水面会上升0.5分米。
(
A.on
B.at
C.in
A
)1. We're going to plant trees Tree Planting Day.A.on
B.at
C.in
答案
A
(
A./
B.a
C.an
C
)2. You can write email and deliver it today.A./
B.a
C.an
答案
C
(
A.so
B.because
C.but
B
)3. I visited my friend Anna it was her birthday.A.so
B.because
C.but
答案
B
(
—It was fun.
A.What
B.How
C.Where
B
)4. — was your summer vacation?—It was fun.
A.What
B.How
C.Where
答案
B
(
A.wins
B.won
C.win
B
)5. My favourite team the match last week.A.wins
B.won
C.win
答案
B
二、下面是笔友Jill的来信,请根据来信内容选出正确答案。
Hi, I am Jill. I had a great trip last summer vacation. I went to Chengdu with my parents. I ate delicious food there. The Dan Dan Noodles tasted good. We went to Chengdu Museum. We saw many interesting things there. We also visited my uncle. He teaches English at Chengdu University(大学). The university is very big and beautiful. I felt excited there. I want to go to Chengdu again.
(
A. last weekend B. last summer vacation C. next year
(
A. Dan Dan Noodles B. bread C. rice noodles
(
A. the West Lake B. the Summer Palace C. Chengdu Museum.
(
A. small but beautiful B. big and beautiful C. old but beautiful
Hi, I am Jill. I had a great trip last summer vacation. I went to Chengdu with my parents. I ate delicious food there. The Dan Dan Noodles tasted good. We went to Chengdu Museum. We saw many interesting things there. We also visited my uncle. He teaches English at Chengdu University(大学). The university is very big and beautiful. I felt excited there. I want to go to Chengdu again.
(
B
)1. Jill went to Chengdu with her parents .A. last weekend B. last summer vacation C. next year
(
A
)2. Jill thought(认为) the in Chengdu tasted good.A. Dan Dan Noodles B. bread C. rice noodles
(
C
)3. Jill went to .A. the West Lake B. the Summer Palace C. Chengdu Museum.
(
B
)4. Chengdu University is .A. small but beautiful B. big and beautiful C. old but beautiful
答案
1.B 2.A 3.C 4.B
登录