If you decide to take a trip, you will have to get ready a few months before the (2). You must be in excellent physical condition .You should run a lot, swim everyday, and do aerobics and push-ups. You must get a letter from the doctor that shows you are in perfect (3). Once you get on the trip, you will be in a (4)_ world. You will see pictures of the Earth. You may also find your country and other interesting places. You will be able to see the oceans, the big rivers, the tall mountains. You will be able to see them many times because you will ( 5) the Earth 16 times a day! You will also be able to see stars that you couldn't see (6) the Earth. When you are in orbit, you will be able to get out of your seat and walk in the cabin. You will be able to walk on the walls or on the ceiling like in a circus. You will not (7) anything! You will feel totally free and enjoy the wonderful feeling you have never had before. If you (8 ) on board now, you would experience those marvelous things. 1. A. marvelous 2. A. walk 3. A. knowledge 4. A. ancient 5. A. fly 6. A. by 7. A. eat 8 A. were B. harmful C. dangerous C. voyage C. intelligence C. different C. travel C. around C. weigh C. are D. terrible B. course D. flight D. wisdom D. mysterious D. go D. from B. health B. imaginary B. orbit B. in B. see D. know D. come B. sit TEST 23