题型：判断题 完形填空。 How do you usually get to school? Buy bus? On foot? Roby Burch, 16, a US student, gets to school a little 1 -he goes by horse (马). Burch has been riding his white horse 4 miles to and from school 2 the beginning of the semester. "Every morning, wearing my blue jacket and jeans, I'm on my way at 6 am." Burch says,"The streets are mostly 3 at this time of morning. It's a nice way to start the day." The idea was his 4 . His family were enjoying their vacation on their farm this summer, "My dad just said, 'Roby, you 5 ride your horse to school every day.'" says Burch. He thought it really was a good idea. When they got back home, Burch asked for permission from the headmaster (校长), Joe Cox, and surprisingly, he got the green light. Cox even 6 Burch to keep the horse next to the headmaster's house. Then his dad helped Burch find the best route to school. It is along back streets and has 7 cars than the others. For the return trip every afternoon, Burch leaves school at 5:45 pm. Even now, as the days grow shorter and colder, he 8 to ride his horse." I will ride my horse even in the coldest weather." he says. Burch says the first time he sat on a horse as a four-year-old boy he was afraid, 9 now, "it's what I do best." It's no surprise that he wants to be a cowboy (牛仔) when he grows up."I love riding horses more than 10 else." He says, "It's really a guy thing." ( )1. A. normally ( )2. A. for ( )3. A. empty ( )4. A. sister's ( )5. A. will ( )6. A. invited ( )7. A. fewer ( )8. A. begins ( )9. A. so ( )10. A. anything B. casually B. since B. crowded B. brother's B. won't B. allowed B. few B. stops B. or B. nothing C. differently C. before C. busy C. mom's C. should C. taught C. more C. continues C. and C. everybody D. actually D. after D. awful D. dad's D. shouldn't D. urged D. many D. refuses D. but D. somebody 查看答案
题型：判断题 下表为不同氧气浓度下，植物呼吸作用过程中相关气体的交换值，根据表格中的数据回答相关的问题： (1)CO2的释放量与O2的吸收量的比值等于1时，植物的呼吸方式是_____________。 (2)CO2释放量为1.00时，写出植物呼吸作用的化学反应式_____________________。 查看答案
题型：判断题 设α，β，γ，α1，β1分别为空间中不同的平面，下列四个命题中正确命题的个数为（ ）（1）若α⊥γ，β⊥γ，则α∥β（2）若α⊥β，β⊥γ，则α⊥γ（3）若α∥α1，β∥β1，α⊥β则α1⊥β1（4）若直线l在平面α内的射影是直线l1，直线m⊥l1，则m⊥l．A．1个B．2个C．3个D．4个 查看答案
