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四、解决问题。
一条公路计划每天修2.25千米，实际每天比计划多修了0.3千米，实际一共修了6天，这条路一共长多少千米？
一条公路计划每天修2.25千米，实际每天比计划多修了0.3千米，实际一共修了6天，这条路一共长多少千米？
答案
15.3千米
一、选出每组中画线部分发音不同的一项。
（
（
（
（
（
（
B
）1. A. water B. first C. teacher（
C
）2. A. officer B. father C. egg（
C
）3. A. number B. dinner C. bird（
B
）4. A. sister B. here C. tiger（
A
）5. A. art B. ruler C. river答案
1.B 2.C 3.C 4.B 5.A
二、Tom 发现动物们也有各自的工作。阅读短文,选择正确的选项。
Animals have jobs too! What does a dog do? A dog is a guard. It is a helper of our family. It keeps our home safe. A pigeon (鸽子) is a postman. It can deliver (递送) letters. The woodpecker (啄木鸟) is a good doctor for the trees. It can eat the worms (蠕虫) in the trees and the trees can be healthy. Do you know other animals' jobs?
(
A. 警察
B. 护卫
C. 猎人
(
A. A postman.
B. A worker.
C. A doctor.
(
A. A dog.
B. A cat.
C. A woodpecker.
(
A. The food that animals like to eat.
B. The different jobs animals can do.
C. The places where different animals live.
Animals have jobs too! What does a dog do? A dog is a guard. It is a helper of our family. It keeps our home safe. A pigeon (鸽子) is a postman. It can deliver (递送) letters. The woodpecker (啄木鸟) is a good doctor for the trees. It can eat the worms (蠕虫) in the trees and the trees can be healthy. Do you know other animals' jobs?
(
B
)1. The word "guard" means "".A. 警察
B. 护卫
C. 猎人
(
A
)2. What does a pigeon do?A. A postman.
B. A worker.
C. A doctor.
(
C
)3. Which animal can help trees?A. A dog.
B. A cat.
C. A woodpecker.
(
B
)4. What is the main idea (主旨) of this passage?A. The food that animals like to eat.
B. The different jobs animals can do.
C. The places where different animals live.
答案
1.B 2.A 3.C 4.B
