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hoangphonghp836
2 năm trước
Cho m gam một kim loại X tác dụng vừa hết với 2,8 lít (đktc) hỗn hợp gồm Cl2 và O2 có tỉ khối đối với H2 bằng 27,7. Sau phản ứng thu được 18,125 gam chất rắn gồm oxit và muối clorua. X là ( xin mn giúp đỡ )
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1. My school (have)........................two floors. 2 She (drink)...........................a lot of juice every day. ->................................................................................................... 3. Lan and Nga (see)....................................a new film next week. ->................................................................................................... 4. What about (visit).........................................our parents? 5. He (ride).................his bicycle every day. He (ride)..................his bicycle now ->................................................................................................... III. READING: Read the following passage and then do the tasks that follow. (2pts) South Vietnam enjoys a tropical climate, so there are two seasons all year round. They are known as the dry season and the rainy season. It's very hot in the dry season, but it's cool in the rainy season. In the dry season, we often go camping and swimming. In the rainy season we don't often go out. We sometimes go fishing in the morning because it often rains in the afternoon. A. Tick True or False. FACTS T F 1. There are two seasons in the south of Vietnam. 2. It’s very cold in the dry season. 3. They often go camping and swimming. 4. in the rainy season, it often rains in the afternoon. B. Answer the following sentences. (1pt) 1. How many seasons are there in South Vietnam? ................................................................................................................ 2. What do they do in the rainy season? ................................................................................................................ 3. Is it cool in the dry season? ............................................................................................................... 4. Why do they go fishing in the morning? .................................................................................................................... IV. WRITING: Write complete sentences using the suggested words. (2pts) 1. Ba/ always/ walk/ school. ...................................................................................................................... 2. The Mekong River/ long/ than/ the Red River. .....................................................................................................................? 3. Ho Chi Minh City/ large/ than/ Hanoi. ...................................................................................................................... 4. How/ rice/ and/ many/ vegetables/ he/ produce? ......................................................................................................................

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