Space travel is nothing new. The first spacecraft with a human was sent up_______space in 1961. Since then, people have not only traveled to space,________many of them have lived there in space stations for some time.
The Soviet Union(前苏联) sent the_________space station into space in 1971. This space station was called Salyut 1. Salyut 1________as a place where people could live while they observed space and did experiments. The first group of astronauts lived there for 23 days. The Soviet Union went on to make seven more Salyut space stations. At about the same time, the United States had_______own space station, called Skylab.
Astronauts_______in these space stations for a short time. However, it wasn’t until the late 1980s when The Soviet Union sent the Mir space station that people began to live in space for a ________time.
Living in space stations seems to be fun, but astronauts face many problems. One of them________ food. All the________on space station are put together on Earth and sent there by space shuttle. Because the food has to last a long time (sometimes up to three months), a lot of it has to be stored in cans. The space station does not have a fridge, but it has a cool room to keep fruit and vegetables fresh. Astronauts also eat many other foods________dried meat that do not need special care.
1.A. into B. with C. of
2.A. or B. but C. unless
3.A. ones B. one C. first
4.A. found B. was built C. was brought
5.A. them B. they C. its
6.A. lived B. played C. took
7.A. more B. shorter C. longer
8.A. am B. is C. are
9.A. apple B. vegetable C. meals
10.A. such as B. at last C. next to
I can’t go hiking with you this weekend because I have other fish to fry.
A. I have more important things to do B. I have some fish to eat
C. I’m free D. I need to cook fish
Lucy is getting to be an old hand at drawing pictures.
A. a big hand B. first-hand C. inexperienced D. experienced
—Have you watched the movie named Amazing China(《厉害了,我的国》)?
—Sure, I have. _____ great achievements our country has made!.
A. What a B. What an C. What D. How
—Excuse me, could you please tell me ______ ?
—It’s on Center Street and across from the bank.
A. where can I find the library B. where I can find the library
C. how far the library is from here D. how far is the library from here
Stephen Hawing, a great scientist, had a strong will. His serious illness never ______ him _______ living a meaningful and colorful life.
A. learned;from B. protected;from C. saved;from D. stopped;from