题目
题型：同步题难度：来源：
birthday?
Keys: His birthday is on Februar
y 29th. It’s a leap(闰年) year every four years. So he has only fifteen birthdays.
1. The old man is _______ years old.
2. He has only ________ birthdays.
3. His birthday is on _______.
4. A leap year happens(发生) every _______ years.
答案
核心考点
试题【阅读理解。 The old man is already sixty years old. But he has only fifteen birthd】；主要考察你对日常生活类等知识点的理解。[详细]
举一反三
a visit to the moon! When you are under water, it is easy for you to climb big rocks, because you are no
longer heavy.
Here, under water, everything is blue and green. During the day, there is enough light. When fish swim nearby, you can catch them with your hands.
When you have tanks(罐)of air on your back, you can stay in deep water for a long time.But you
must be careful when you dive in deep water.
To catch fish is one of the most interesting parts of this sport. Besides, there are most uses for
skin-diving. You can clean ships without taking them out of the water. You can get many thingsfrom the
deep sea. And now you see the skin-diving is both useful and interesting.
B. be in danger
C. the moon
D. the deep sea
B. the fish nearby help you
C. you aren"t as heavy as on the land
D. there is a lot of light"
B. can"t see anything clearly
C. can see nothing
D. can see only fishes
B. stay under water for a long time
C. be in a safe place
D. have more fun
B. Skin-diving is like visiting the moon.
C. Skin-diving is both interesting and useful.
D. The only use of skin-diving is to have more fun.
