一、用所给单词的适当形式填空。
1. Some dinosaurs are ____ (big) than houses. Some are ____ (small) than our schoolbags.
2. I'm ____ (heavy) than you.
3. Whose shoes ____ (be) bigger?
4. I am ____ (thin) than my sister.
5. The giraffe's neck is 2 ____ (metre) long.

1. bigger; smaller 2. heavier 3. are
4. thinner 5. metres

()1. Your shadow ____ longer because you are growing taller.
A. grow
B. will grow
C. grows

C

()2. Your neck is too long. The others can't ____ you.
A. get
B. reach
C. pull

B

()3. Joe is ____ than Mike.
A. older
B. young
C. good

A

()4. ____ happening here?
A. How
B. What's
C. What

B

()5. He is ____ excellent goalkeeper.
A. an
B. the
C. a

A

三、找出下列句子中有错的一项,并在横线上改正。
()1. $\frac{\text{Some}}{\text{A}}$ giraffes $\frac{\text{is}}{\text{B}}$ $\frac{\text{taller}}{\text{C}}$ than houses. ____
()2. $\frac{\text{How}}{\text{A}}$ old $\frac{\text{is}}{\text{B}}$ $\frac{\text{you}}{\text{C}}$? ____
()3. The $\frac{\text{elephant}}{\text{A}}$ is $\frac{\text{big}}{\text{B}}$ $\frac{\text{than}}{\text{C}}$ the tiger. ____
()4. $\frac{\text{This}}{\text{A}}$ shoes $\frac{\text{in}}{\text{B}}$ the window $\frac{\text{are}}{\text{C}}$ nice! ____
()5. $\frac{\text{I'm}}{\text{A}}$ $\frac{\text{50}}{\text{B}}$ $\frac{\text{kilogram}}{\text{C}}$. ____

1. B are 2. B are 3. B bigger
4. A These 5. C kilograms