Hello Kitty, Goodbye Earth (P3)
Choose the best answer:
1.When did Rojas do her science project?
A.Early this morning.
B.Early this month.
C.Last week.
D.Two or three weeks ago.

2.What did Rojas use to find out how high the doll was?
A.A rocket model.
B.A weather balloon.
C.A small computer.
D.A video camera.

3.At last the balloon broke up at the height of _____.
A.28.5km above the Earth
B.76km above the Earth
C.a tree
D.a plane in flight

4.Rojas did the project to find out _____.
A.how a bird or a plane flies
B.how high a Hello Kitty can fly
C.how altitude changes air pressure and temperature
D.what our planet looks like from a great height

The genius behind jeans (P5)
Choose the best answer:
1.When did Strauss get to New York?
A.In 1829.
B.In 1847.
C.In 1853.
D.In 1873.

2.They used the following things to make blue jeans EXCEPT
(除了) _____.
A. denim B. rivets
C. pockets D. cotton

3.Which of the following is TRUE about Levi Strauss?
A.His company is the largest in San Francisco.
B.He liked to be called Mr Strauss.
C.When he died, all the workers in the US had a day off.
D.People will remember him forever for his invention.
（参考答案见下期或登录网站http://teens.i21st.cn）