问题
单项选择题
疣足的背叶与腹叶相距较远，背叶下面有1根向内或相外弯曲的特殊的鳃的是（）。
A.疣吻沙蚕属
B.沙蚕属
C.齿吻沙蚕属
D.鳃蚕属
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
疣足的背叶与腹叶相距较远，背叶下面有1根向内或相外弯曲的特殊的鳃的是（）。
A.疣吻沙蚕属
B.沙蚕属
C.齿吻沙蚕属
D.鳃蚕属
参考答案：C
| Cloze test. | ||||
| Many students have hobbies, such as reading, painting, growing vegetables in their gardens, and looking after animals. Some hobbies are relaxing and 1 are creative. Hobbies can develop your interests and help you learn new skills. David Smith is a student. His hobby is writing. 2 the summer of 2000, he spent four weeks on a summer camp. As well as the usual activities, such as sailing, climbing and mounting biking, there was a writing workshop with a profession 3 . "She asked us to imagine that we were in a story. Then we wrote about our 4 at the camp." In senior high school David wrote a story about teenage life, and it 5 as a book in 2003. Many teenagers love his book, and as a result, David has become a 6 young writer. David has been very lucky 7 his hobby has brought him enjoyment and success. But he is 8 interested in many other things. "I like playing volleyball, too." says David. "I spend some of my free time playing volleyball for my school team. 9 I'll write more books in the future, but I'm not sure." It's something difficult 10 that we shouldn't spend all our time on our favourite hobby. There are many other interesting things to do in life, and we should try to do something new or different. | ||||
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