(5)go through还可作"仔细检查，审查"，及物性短语动词。e．g.
I'm sure it's there-I'll go through the file again．我确信它就在那儿， 我要再次仔细检查一下那文件。
10．She refused to treat these new discoveries as though they belonged to her，and instead shared all her knowledge with the whole scientific world．她不同意把这些新发现看作是属于她自己的东西，而是献出自己的全部知识，与整个科学界共享。
(1)此句中as though = as if意思是"好像，仿佛"，作连词，后接方式状语从句。从句的谓语动词一般要用虚拟语气，即动词用过去时或过去完成时。e．g．
①She always talks to me as though／if she were／was my sister．她总是以我妹妹的口气跟我说话。
②He walked slowly as if he had hurt his leg．他慢慢地走，好像腿受伤的样子。
但as though／if从句在look，seem后，从句的谓语动词可不用虚拟语气。e·g．
①She looks as if she's going to cry．她看起来要哭似的。
②It seems as though he has been at the scene of the crime．看样子他好像曾在犯罪现场。
(2)句中belong to意为"属于"，及物性短语动词。注意此词组无被动浯态，无进行时态。e．g．
That dictionary belongs to me．那本辞典是我的。
注意此词组还可意味"是……的一员，与……有关联"。e．g.
I belong to the tennis club．我是这个网球俱乐部的会员。
(3)句中share．．．with意思是"与……共用，分享，分担"。e．g．
① The boy shared his toy with other children．那男孩把他的玩具拿出来，和其他小孩子一起玩。
②Would you share your newspaper with me?我们-起看报好吗?
share．．．with与share．．．between／among 的区别：
share．．．with意思是"与……分享，共用，分担"，而share．．．between／among是指"在……之间分配，均分"。如果所分配范围"在……之间"，是几个单数名词，则用between；如果是复数名词，between和among都可以。e．g．
① He shared his property between his wife，his daughter and his son．他把他的财产分给了他的妻子、女儿和儿子。
② Mother is sharing the cakes among／between the boys to make sure that every boy gets some．妈妈在给孩子们分糕点以确保每个孩子得到一份。
11．Which mineral would you use to protect yourself against radium?你会用哪种矿物来保护自己不受镭的伤害呢? ，
句中protect sb．／sth．against意思是"防御，保护……使不受(伤害)"，这里介词against也可换成from，即protect sb．／sth．from．．。e.g.
①A line of forts was built along the border to protect the country against attack．边界沿线构筑了碉堡，以防敌人进攻该国。
②He is wearing sunglasses to protect his eyes from the strong sunlight． 他戴着太阳镜以挡强烈的阳光。
说明：protect against．．．和protect．．．from用法基本相同。防御较为严重的伤害，通常用介词against，一般情况常用from，但区分不是很严格。e.g.
Cares should be taken at all times to protect the equipment against／from dust and damp．应当经常注意保护设备，不使其积尘和受潮。
教学建议Lesson 3
教学建议
Lesson 3词语辨析：
1．polonium is used to set off a nuclear bomb．钋用来引爆核弹。
(1)本句中set off 意思是"使……爆炸"，及物性短浯动词：e．g．
They set off the fireworks as soon as it got dark．天一黑他们就放焰火(烟花)。
(2)set off 还可指"出发，动身"，不及物性短语动词。e．g．
They set off in search of the lost child．他们出发去寻找那个丢失的孩子。
(3)set off 还可意为"引起，触发"，及物性短语动词。e．g．
①That strike set off a series of strikes throughout the country．那次罢工引发了全国一系列的罢工。
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