英语阅读短文What is it?It is long.Sometimes it is round.There may

英语阅读短文
What is it?It is long.Sometimes it is round.There may be only one.There may be more of them than you can count.Now you can guess what it is.It is a line.
Sometimes a line is straight.Some lines are side by side.They never meet.Train tracks are like these lines.Some lines do meet.They cross each other.streets are like lines that cross each other.
When lines change,new shapes are made.Sometimes a line is curved.Curved lines may cross each other.Curved lines may be side by side.Curved lines may be closed.A circle is one kind of closed curve.
Look about you.Can you find straight lines and curved lines?Can you find lines that cross and lines that do not meet?
( ) 6.Which of the following is a closed curve?
( ) 7 We can know from the passage that ___ _.
A.all lines are straight and long
B.all lines look like train tracks
C.lines are used by man in many ways D.lines are very unusual in our life.
( )8.What happens when lines change?
A.New shapes are made B.Streets have to cross each other
C.They never meet D.They get crossed
( ) 9.The main ides of the passage is that _ _.
A.there are many kinds of lines.B.lines must never meet
C.streets cannot cross each other D.lines don’t change

6.D
7.C
8.A
9.A