D)flicker sked to before the judge. A)execute B)testify C)inherit D) 39. At the age of three or three and a half almost all children find the easy A)transition B)improvement D)transformation 40. The millionaire offered the actress a precious gift but to his surprise she turned it B)back C)down Part Ii Cloze Test For each numbered blank in the following passage, there are 4 choices marked A, B, c and D) Choose the best one and mark your answer on the anSWer Sheet by blackening the corresponding letter in the brackets (10 pointy) Cigarettes, chewing tobacco and alcohol are ma jor risk factors for head and neck cancers. new research suggests that people 4l replacing cigarettes with the beta carotene rich carrot. Beta carotene rich carrot Beta carotene, 42 is converted by the body to vitamin A, may reverse a precancerous condition known as leukoplakia(粘膜白斑), which rs43 whitish(带 白色的) patches in the mouth and throat Previous studies have shown that vitamin A can 44 leukoplakia but can also be toxic(HE H)at the required levels. In a 1989 pilot study, Dr. Harinder Garewal of the University of arizona Cancer Centre in Tucson reports that 25 patients 45 leukoplakia took 30 milligrams of beta carotene a day-which is 46 equal to eating four to six carrots. the whitish patches decreased or disappeared in more than 70 percent of the subjects as long as they continued 47 the beta carotene. None of the toxic 48 effects associated with vitamin A supplements occurred Garewal says a larger trial may show that an inexpensive beta carotene 49 could serve a important public health role. Head and neck cancers are a serious problem worldwide, especially 50 good nutrition and proper oral care are lacking 41. A)consideredC)scowl D)fliecker 38. He was asked to _____ before the judge. A)execute B)testify C)inherit D)prejudice 39. At the age of three or three and a half almost all children find the _____ to nursery easy. A)transition B)improvement C)turn D)transformation 40. The millionaire offered the actress a precious gift but to his surprise she turned it _____ . A)over B)back C)down D)out Part II Cloze Test Directions: For each numbered blank in the following passage,there are 4 choices marked A,B,C and D)Choose the best one and mark your answer on the ANSWER SHEET by blackening the corresponding letter in the brackets.(10 pointy) Cigarettes,chewing tobacco and alcohol are major risk factors for head and neck cancers.Now new research suggests that people 41 replacing cigarettes with the beta carotene rich carrot.Beta carotene rich carrot Beta carotene, 42 is converted by the body to vitamin A,may reverse a precancerous condition known as leukoplakia(粘膜白斑)，which appears 43 whitish(带 白色的) patches in the mouth and throat. Previous studies have shown that vitamin A can 44 leukoplakia but can also be toxic(有毒 的) at the required levels.In a 1989 pilot study,Dr.Harinder Garewal of the University of Arizona Cancer Centre in Tucson reports that 25 patients 45 leukoplakia took 30 milligrams of beta carotene a day——which is 46 equal to eating four to six carrots.the whitish patches decreased or disappeared in more than 70 percent of the subjects as long as they continued 47 the beta carotene.None of the toxic 48 effects associated with vitamin A supplements occurred. Garewal says a larger trial may show that an inexpensive beta carotene 49 could serve an important public health role.Head and neck cancers are a serious problem worldwide,especially 50 good nutrition and proper oral care are lacking. 41. A)considered B)consider