Phân tích đa thức sau thành nhân tử.3x^2+12x+12

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Fill the blank with the suitable word form of those in the right column: 2.There's a serious…………………………….of food in the disaster area. (SHORT) 4.Nobody is happy with their………………….. explanations they gave for the failure. (CONVINCE) 5.In nursing, women tend to……………………………… men by four to one. (NUMBER) 7.Tests are often carried out to detect genetic ……………..…….………before birth. (NORMAL) 8.It's very ………………………….…..….of you to bring your umbrella today. (SENSE) 9……………………………to a new environment is a difficult thing for old people. (ADAPT) 10.The result is impossible to predict with any degree of……………… . (CERTAIN) Use the following sets of words or phrases to write complete sentences 3. boy / put up / Christmas decorations /be / my brother. ……………………………………………………………………………………………….. 4. I / wet through . If I / know / it / rain / I / take / umbrella. …………………………………………………………………….………………………….. 5. the book / so / good / we / it / twice. …………………………………………………………………….………………………….. 6. one / disadvantages / living here / the lack / public transport. ……………………………………………………………………..………………………….. 7. No sooner / burglars / leave / building / someone / ring / alarm. …………………………………………………………………………………………………. 8. she / have / bike / repair / her husband / yesterday. …………………………………………………………………………………………………. Find the word with the stress pattern different from that of the other three words in each question 1. A. epoch B. equivalent C. epic D. episode 2. A. argument B. architect C. artistic D. arduous 3. A. delinquent B. subsequent C. frequently D. consequent 4. A. victorious B. scandalous C. vigorous D. dangerous 5. A. support B. bilingual C. colleague D. evaluate Choose the best answer from A, B, C or D. 1. What Marilyn did at the party was certainly ______ bad taste. A. of B. about C. in D. under 2. Your room is messy. Please ______ as much junk as possible and clean it up. A. get rid of B. make clean of C. drop a line D. stop over 3. Sorry, but that book is ______ . We’ll get some copies from the publisher next Monday. A. out of print B. out of order C. off shelf D. out of stock 4. We ______ gas, so we have to wait until a car passes by. A. gave out on B. ran out of C. walked out on D. disposed of 5. Politicians should never lose ______ of the needs of the people they represent. A. view B. sight C. regard D. prospect 6. The move to a different environment had brought about a significant ______ in Mary’s state of mind. A. impact B. effect C. influence D. chance 7. She ______ regretted having been so unkind. A. bitterly B. severely C. fully D. awfully 8. The color of the handle does not ______ so long as it is the right size. A. worry B. affect C. matter D. concern 9. In some countries environmental organizations have been ______ to inform people and gain their support. A. put up B. made up C. carried out D. set up 10. This clock ______ on two small batteries. A. goes B. works C. runs D. moves