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2 năm trước
Cho tam giác ABC vuông cần tại A. AB=AC=4cm a: Tính độ dài cạnh BC b: Từ A kẻ AD vuông góc với BC. CMR: D là trung điểm BC c: Từ D kẻ DE vuông góc với AC. CMR : tam giác AED vuông cân d; tính độ dài đoạn DE
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Chọn từ phù hợp nhất điền vào chỗ trống: 1/ Her new school is different . . . . . . . . . . . . . . . . . . . . . her old school. A. of B. with C. from D. at 2/ . . . . . . . . . . . . . . . . . . . . . is it from your house to the market? A. How old B. How C. How far D. How long 3/ Is there a picture on the wall? . . . . . . . . . . . . . . . . . . . . . . A. Yes, there be. B. Yes, there is. C. Yes, there is not. 4/ He works . . . . . . . . . a hospital. He takes care . . . . . . . . . . . . . patients. A. in / for B. in / of C. at / for D. for / of 5/ What does your father do? . . . . . . . . . . . . . . . . . A. He’s farmer. B. He does a farmer. C. He’s a farmer. 6/ His car is . . . . . . . . . . . . . . . . . . . . . the shop. A. front of B. behind C. next D. near to 7/ Do you work . . . . . . . . . . . . . . . . . . . . . hours than Hoa? A. few B. less C. lesser D. fewer 8/ She works six days . . . . . . . . . . . . . . . . . . . . . week. A. in B. for C. a D. the Choose the word that has a different pronunciation from the others of each group 1. A. magazine B. mathematics C. manage D. watch 2. A. material B. visitor C. magazine D. want 3. A. brush B. uncle C. wash D. worry 4. A. orange B. wake C. way D. waste 5. A. good B. too C. tooth D. two Complete these sentences with comparative or superlative: 1. This dress is the ………………………………of three dresses.(expensive) 2. Vietnamese students work ……………hours than American sts (few) 3. He has ……………………………….. money than his wife. (much) 4. Summer holiday is …………than tet holiday. It’s the ……… holiday(long) 5. Tom is ………………………… than Peter (intelligent) Rewrite the sentence without changing meaning. 1/ What about going to the movies? → Why . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2/ Where does she live? → What . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3/ What do you do? → What . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4/ The dress is very old. → What . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. ! 5/ What subject does Mary like best? → What is . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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