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tonkyan.heists
2 năm trước
Cho 23,2g hỗn hợp Al2O3 và Zn tác dụng với 200g dung dịch HCl 21,9%, tạo ra 4,48l khí ( đktc ) và dung dịch x. Tìm m Al2O3 và m Zn.
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Question 3 (10 points). Read the passage and choose the best answer from A, B, C or D to complete it. Write your answers in the boxes below. There is an example for you. The Sahara Desert is the ___(0)____ of 22 deserts and is sometimes called the Sea of Sand. The temperature can be very high and there is very little water there ___(1)___ it doesn't rain very often. An 'oasis' is like a lake in the desert. The water in an oasis comes from rivers ____(2)___the ground. There are many 'oases' in the Sahara desert but people often __(3)__ to travel for many days to find one. Although life is difficult in the Sahara, a lot of people ____(4)_____ live there. They move from one place to another to find the water they need and use camels to carry ____(5)_____ when they move. Camels have large feet which means that they can walk easily _____(6)____ the rocks and sand. Lots of _____(7)______ animals and insects live in the Sahara too: snakes, lizards and spiders, for example. These animals get _____(8)___ of their water from the plants they eat. ____(9)___ the day small desert animals look for cool caves to sleep in and some others lie down under trees. And did you know that the Sahara is ____(10)____every year? Example 0. A . big B. bigger C. biggest D. the biggest 1. A. but B. as C.then D. so 2. A. under B. between C. into D. to 3. A. has B. have C. had D.are having 4. A. still B.also C. yet D. only 5. A.something B.anything C.everything D. nothing 6. A. across B.above C.opposite D. among 7. A.both B.another C. others D. other 8. A. many B.little C.more D. most 9. A.Until B.During C.Since D. Before 10. A. increasing B.raising C.growing D. moving Your answers: 0. C 1. 2. 3. 4. 5. 6. 7. 8. 9. 10.

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