Giúp với e Ở một loài động vật, giả sử có 1 TBB1 chứa hai cặp NST tương đồng Bb, Dd khi giảm phân sẽ cho ra mấy loại tinh trùng? Tỉ lệ mỗi loại là bao nhiêu?

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46. If you have old clothes, will you give them to those __________? A. Needs                                 B. To need               C. For needing             D.In need. 47. It’s very …………… to swim there. The water is healthy polluted A. safe                                     B. unsafe            C. unpopular              D. exciting 48. Many girls and women …… aerobics to keep fit. A. play                              B. go                                       C. do                               D. have 49.  “I’ve just received a scholarship.” – “__________” A. Really                                 B. Thank you                  C. Congratulations            D. Well 50. We will have a __________to look after the children. A. dishwasher                        B. television                   C. robot                         D. computer 51. Walking to school will help__________air pollution. A. reduce                               B. reuse                        C. recycle                        D. refill 52. It’s getting light. Shall I turn ____________the light to save electricity ? A. off                                       B. on                           C. up                           D. of 53. The opposite of “modern” is __________ A. new                                    B. good                        C. historic                       D. new 54. This robot__________our faces when the scientists improve it. A. guard                                           B. make                             C. do                              D. will be able to recognize 55. Karate is a form of martial ___________                  A. fighting                              B. skill                              C. sports             D. arts 56. We shouldn’t __________rubbish on the street. A. throw                                  B. wrap                         C. turn off                  D. take 57. The 3Rs __________for Reduce , Reuse  and Recycle. A. stand                                  B. sit                                       C. make                                D. explain 58. The opposite of "dangerous " is __________ A. polluted                            B. good                            C. dirty                               D. safe 59. The people here are ______________ A. friendly                              B. delicious                     C. polluted                     D. long 60. They will live in __________houses in the future. A. hi-tech                                         B. paper                        C. water                        D. bottle 61. My mother is a doctor.She takes care __________ill people. A. off                                       B. of                            C. about                        D. for 62. I bought __________different gifts for my friends. A. lot of                                  B. a lots of                     C. lots of                     D. a lot 63. There are many good programs__________teenagers. A.on                                        B.for                           C.to                                     D. at 64. The __________causes many more floods. A.air pollution                        B. water pollution            C. deforestation            D. noise pollution 65.  __________happens when water in lakes, rivers and oceans is polluted. A. Soil pollution                    B. Air pollution            C. Water pollution            D. Deforestation Giúp mk vs