Page 69 - big-4-lop-8-tap-2_Neat

C. READING
IX Read the passage. Fill in the blank with a suitable word.

Like all machines, a bicycle makes work easier. With a
bicycle, it (1) …………… much less effort to get to where
we are going (2) …………… it would if we were walking.
We can get many times farther on a bike even though
we burn the same (3) …………… of energy. Bicycles
make this possible (4) …………… using a combination of
simple machines and the laws of physics. Bicycles have a number of simple machines
included in (5) …………… wheels, pedals, gears, and brakes that help the bike to move.
When the rider balances on a bike, he does so according (6) …………… the laws of
physics. Even simpler parts like the frame of a bike take science (7) …………… account.
Two of the (8) …………… important parts of any bicycle are the wheels and the gears. On
flat ground, gears attached to the wheels increase the distance a rider gets from one turn of
the pedals, allowing him (9) …………… cover a lot of ground quickly. On hilly terrain,
gears give the rider (10) …………… power when it is needed by lessening the distance the
bike travels.
X Read the passage.

The sun, planets, and moons are all part of our solar system. The sun is a huge star in the
middle of the solar system. It is the only star we can see during the day. The sun is (1)
….............. brighter than the stars we see at night, because it is much closer to the (2)
………......... It is made of gases that are released in the form of light and heat. The planets
are all different sizes. Mercury is the smallest planet. Jupiter is the largest planet. It is
eleven times (3) ………......... than the Earth! All eight of the planets are much smaller than
the sun. All of the planets in our solar system move around the sun in an oval (4)
………......... called an orbit. It is shaped something like an egg. The sun has a strong force
that pulls all of the planets toward it. This force, called gravity, is what makes the planets
(5) ………......... in their orbits. As each planet orbits the sun, it is also spinning around like
a top. This spinning is called rotation. Each planet rotates at a different speed. It takes
Jupiter less than 10 hours to rotate one time, but it takes Venus 243 days!

1
1 Choose the best answer.
1. A. very B. much C. so D. too
2. A. Moon B. star C. orbit D. Earth
3. A. wider B. thicker C. longer D. deep

4. A. road B. route C. path D. way
5. A. lie B. live C. stand D. stay

2
1 Answer the questions below.
1. Which star can we see during the day?

..........................................................................................................................................
2. Why the sun is so bright?
..........................................................................................................................................

Big 4 - Bộ đề tự kiểm tra 4 kỹ năng Nghe - Nói - Đọc - Viết tiếng Anh (cơ bản và nâng cao) lớp 8 tập 2| 71