此处是定语从句,先行词 person 是表示人,从 句用who指代人.在从句作主语。 故选B 18.D 句意:远视的人遭遇相反的问题.right正确的;same相同 的;wrong错误的; opposite 相反的, 根据"far sighted"可知远 视与近视相反,此处用opposite。 故选D 19.A 句意:他们能看见远处的东西,但是他们在读书时有困难, ...
G②(建议时: 7 分钟)Mrs Liu is nearsighted (近视的). But she doesn't like wearingglasses when she has her meals.Mrs Liu has a daughter. Her nameis Gao Hong. She likes talking very much. She often talks about herschool and her friends at table. “Don't talk when you have meals,...
When kids become nearsightedReports that parents who are near sighted would likely to have children who are also nearsighted. Detection and correction of the defect.Gilbert, SusanRedbook
3.When we can see well.we do not think about our eyes often.It is only when we can not see perfectly that we come to see how important our eyes are.People who are nearsighted can only see things that are very close to their eyes.Many people who do a
When we can see well, we do not think about our eyes often: It is only when we cannot see perfectly that we come to see how important our eyes are. People who are nearsighted can only see things that are very close to their eyes. Many people who do a lot
- **A. 近视(near-sighted)**:近视的特点是眼球过长或角膜曲率过大,导致光线聚焦在视网膜前,使得远处的物体成像模糊,近处物体清晰。符合题干描述。 - **B. 远视(far-sighted)**:远视是眼球过短或角膜曲率不足,光线聚焦在视网膜后,导致近处物体模糊,远处物体相对清晰。与题干描述相反。 - **C. 散光(...
解析 C关键词(句):watch TV:看电视翻译:一些学生近视了,因为他们花费太多的时间看电视或者玩网上游戏。根据句意:一些学生近视了,因为他们花费太多的时间看电视或者玩网上游戏。此句是含有because(因为)引导的原因状语从句的复合句,答案:C。A什么时候;当...的时候。B尽管。D除非。ABD不符合题意。
5.When we see well.we do not think about our eyes very often.It is only when we cannot see perfectly that we realize how important our eyes are.People who are near-sighted can only see things that are very close to their eyes.Everything else seems un
12.When we see well.we do not think about our eyes very often.It is only when we cannot see perfectly that we realize how important our eyes are.People who are near-sighted can only see things that are very close to their eyes.Everything else seems
It is only when we cannot see perfectly that we come to see how important our eyes are. People who are nearsighted can only see things that are very close to their eyes. Many people who do a lot of close work such as writing reading and sewing become nearsighted. Then they have to ...