题目

化学与生活息息相关。 （1）下列厨房用品使用的主要材料中，属于金属材料的是     （填序号，下同），属于有机合成材料的是     。 （2）房屋装修后，可在室内放一些活性炭来吸收装修材料释放出的甲醛、苯等有毒气体，这是利用活性炭的     性。 （3）人们通过食物获取各种营养。 ①鸡蛋中富含的营养素是     。 ②为了防止甲状腺肿大，人体必须摄入适量的     元素。Hilton English Language Center Information for New Students CLASS TIME: 9:00 a. m. —10:30 a. m. , 11:00 a. m. — 12:30 p. m., 1:30 p. m. —3:00 p. m.. The Language Center is open Monday to Friday. Each class has one afternoon free per week. On the first day, go to the lecture hall to check your timetable. SELF-ACCESS: The language laboratory ( Room 1110) is open Monday to Friday after class for all full-time students. You can learn how to use computers for language games or word-processing. There are tapes for students to borrow to practice their English. Go in and ask the teacher to show you. If you plan to take public examinations, there are dictation and listening comprehension tapes for you to practice with. There are cloze exercises on the computers. Ask your class teacher for a list of past exam essays. Students can borrow tapes to take home but they must be returned after two days. ATTENDANCE: All students are expected to attend classes as it is required. Students who do not attend classes will be reported to OSS. Eighty percent attendance is required for students to receive their certificates (证书) when they finish their courses. It is also required by OSS for an extension to your visa. BOOKS: If students are given course books, the books are their responsibility. If a book is lost, the student will be expected to pay for it. If students wish to buy books, there is a bookshop in the college specializing in English books ( Room 3520) . 1. When do classes begin and end on a full day? A. 9:00 a. m. —1:30 p. m.     B. 9:00 a. m. —3:00 p. m. C. 9:00 a. m. —10:30 a. m.    D. 9:00 p. m. —12:30p. m. 2. How many afternoons does a class meet each week? A. Two.         B. Three.         C. Four.         D. Five. 3. Timetable can be seen in _____. A. the lecture hall           B. Room 3520 C. the classroom             D. Room 1110 4. The books which the students wish to buy are in the ____. A. library      B. book-shop in the college  C. street      D. classroom