问题
选择题
下图中显微镜的结构对应正确的是
A．A是物镜
B．B是粗准焦螺旋
C．C是转换器
D．D是粗准焦螺旋
答案
答案：B
搜题请搜索小程序“爱下问搜题”
下图中显微镜的结构对应正确的是
A．A是物镜
B．B是粗准焦螺旋
C．C是转换器
D．D是粗准焦螺旋
答案：B
| 综合填空： | |
1._______. You also remember them 2._______. Do you like to study in the 3.________ room? This is not a good place, because it is usually too 4.______. You need to study in a quiet place, like your bedroom. A quiet place will 5.______ you only to think about one thing. When you study, do not think about other things at the 6._______ time. Only think about your homework. 7.______ you do this, you will do your homework more quickly. And you will make 8.______ mistakes. Good study habits are very important. If you do not have them, try to learn. If 9._______ are already (已经) good, try to make them 10._______. |