Requirements: ① blue and black ink pen writing. ② The roll surface is neat. 3 the handwriting is correct. 4 is the right size.

Fill in the blanks. (***32 points)

1. Fill in the appropriate units in the brackets below.

Xiaoming is tall 126 () and weighs 35 ().

This table is about 8 () high and an elephant weighs about 4 ().

The math textbook is about 8 () thick, and the plane travels at 800 () per hour.

2, 80 mm = () cm 6 decimeter = () cm 5 meter = () decimeter

7 km = () m 4000 m = () km 90 cm = () decimeter.

3. Fill in ">" in ○. 、"、=、、