高中英语重点300句之171-180
继续加油，很高兴有小伙伴喜欢这个系列。一起努力吧！每天学一点新知识。视频本来打算10句一个，结果发现我自己太“墨迹”，试试一句一个吧！敬请期待……
重点句型第四级之03-1
重点句型第四级之03-2
171. It is easy enough to ... ……相当容易。
Ø It is easy enough to copy and paste, but you should write something by yourself. 抄袭（复制+粘贴）非常容易，但是你应该自己写一些东西。
Ø It is easy enough to criticize, but we should try to find solutions. 批评人很容易，但是我们应该尽力找到解决问题的方法。
172. It is essential that ... 有必要……。【从句用虚拟语气】
Ø It is essential that you finish all of the medicine. 你有必要吃完所有这些药。
Ø It is essential that effective measures be taken to protect our civil rights. 有必要采取有效措施来保障我们公民的权利。
173. It is good manners to do ... ……是有礼貌的表现。
Ø It is good manners to bring along a small gift or some flowers when you are invited to dinner by a foreign friend. 如果外国友人邀请你共进晚餐，去的时候带上一份小礼物或者鲜花是有礼貌的表现。
Ø It is good manners to hold the door for others. 替别人把好门是有礼貌的表现。
174. It is high time (that) ... 现在是……时候了。/早就应该了……了。【从句使用虚拟语气，谓语用一般过去时】
Ø It is high time we stopped talking about this silly question. 我们早就该结束讨论这个愚蠢的问题。
Ø It is high time that we changed this useless rule! 我们早该把这条没用的规矩改掉了！
175. It is hoped that ... 希望……。【that 引导主语从句】
Ø It is hoped that no one was seriously injured in the car crash. 希望在这场车祸中没有人受重伤。
Ø It is hoped that every student can attend the program. 希望每个学生都参加这个节目。
176. It is important that ... ……是很重要的。【that 从句要用虚拟语气】
Ø It is important that something be done before it's too late. 在事情变得不能挽回之前采取一些行动很重要。
Ø It is important that you get enough sleep the night before your exam. 考试前夜睡足觉很重要。
177. It's long been my dream to ... ……一直是我的梦想。【表达梦想句型】
Ø It's long been my dream to make a speech in English. 用英语发表演讲一直是我的梦想。
Ø It's long been my dream to attend Harvard University. 上哈佛大学一直是我的梦想。
178. It is (very/not) likely that ... (很/没)有可能……。【that 引导主语从句】
Ø It is very likely that it will rain this afternoon. 今天下午很可能会下雨。
Ø It is not likely that they will give up the game. 他们不可能会放弃这场比赛。
179. It is (not) necessary to ... ……是（没）有必要的。
Ø I think it is necessary to look before you leap. 我觉得三思而后行是有必要的。
Ø When invited, it is not necessary for you to bring anything with you. 去做客不一定非要带礼物。
180. It is no use doing sth. 做某事是毫无用处的。【it 作形式主语，V-ing 形式作真正主语】
Ø It is no use talking without doing. 光说不做是没有用的。
Ø It is no use blaming each other when the problem already exists. 问题已经存在，互相指责毫无用处。
（未完待续……）
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