问题
判断题
由数十个子样集合而成的煤,即为煤样。
答案
参考答案:对
由数十个子样集合而成的煤,即为煤样。
参考答案:对
小题1:If you want to book a ticket to World Expo 2010, you can’t ________. A. e-mail expo2010@hotmail.com.cn B. write a letter C. call +86-21-962010 小题2:Mr. Chen and his wife want to go to Shanghai Expo with their child, they will pay _______in all. A. ¥160 B. ¥320 C. ¥400 小题3:Last Saturday, Michael went to visit Shanghai Expo. He had to leave there ________. A. before 8:30 a.m. B. by 10:30 p.m. C. after 11:00 p.m. 小题4:Shanghai World Expo lasts for ________. A. six months B. 159 days C. 189 days 小题5:You mustn’t go to Shanghai World Expo by ________. A. subway B. motorbike C. bus |