问题
选择题
A，B，C三点在同一条直线上，且AB=6，BC=5，则AC为（ ）
A．11
B．5.5
C．1
D．1或11
答案
当C在线段AB上时：AC=AB-BC=1；
当C在线段AB的延长线上时，AC=AB+BC=6+5=11，
则AC的长为1或11．
故选D．
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A，B，C三点在同一条直线上，且AB=6，BC=5，则AC为（ ）
A．11
B．5.5
C．1
D．1或11
当C在线段AB上时：AC=AB-BC=1；
当C在线段AB的延长线上时，AC=AB+BC=6+5=11，
则AC的长为1或11．
故选D．
| 完形填空。 |
| I'm having a great time in Hong Kong, although I have to be honest and say that I 1 Shanghai. Still, it's a great place to 2 and I'm lucky to be here for my six-month English course. Some other students are learning Japanese. I might like to learn some too. I like to be a person who speaks different 3 . There is just so 4 to see and do in Hong Kong. Last night I went to a Chinese musical concert. Most of my friends like loud music that they can dance to. I prefer quiet, traditional music 5 the concert suited me just fine. I love great concerts and restaurants. Before the concert we went for Italian 6 . There's lots of different kinds of food here. I don't know what to try next. My host family is taking me over to an Indian film festival next weekend. I'm not sure what to expect because I've 7 seen an Indian film. Some people say they're boring, others say they're great. |
| ( )1. A. like ( )2. A. visit ( )3. A. words ( )4. A. much ( )5. A. but ( )6. A. food ( )7. A. ever | B. prefer B. eat B. songs B. little B. or B. restaurant B. already | C. enjoy C. drink C. languages C. few C. so C. film C. just | D. want D. look D. sentences D. many D. yet D. concert D. never |