such as 可以用来表示举例，但后面所举的例子不止一个时，是用连词 and 来连接还是用连词 or 来连接？即是用 such as A and B 还是 such as A or B？I only like small animals, such as cats ________ dogs. (and / or)
关于criterion的解释a standard or principle by which sth is judged,or with the help of which a decision is made （评判或作决定的）标准，准则，原则这句话里or with the help of which a decision is made中的which语法成分怎么分析？这是of which引导的定语从...
To expand on this research,
we have applied its “excess return” calculation—performance relative to market
averages—to all listed firms worldwide worth at least $10bn, on every day since April 27th.on另有用途？on every day是什么成分呢？
...来的表示完成，没有被动的含义的形容词，类似come,done，gone吗？3）上述改为No way will we finish by five o'clock. 还是应该改为 No way will we have finished by five o'clock. ? 即by five o'clock应该对应一般将来时还是将来完成时呢？4...
书上说，according 有时可以和 as 连用，引起一个从句。表示“根据（某种情况）”。如：
You may go or stay, according as you decide. 是去是留由你自己决定。
You will be praised or blamed according as your work is good or bad. 你受表...
老师好But a group is no organism physically added to its constituent individuals; it has no brain or stomach of its own; it must think or feel with the brains or nerves of its members. 但是，群体除了是由单个的人组成外，并不是真正具有生理作用的有机体，它没有自...
...念3，第34课， A happy discovery 里有一句： Like a scientist bent on
making a discovery, he must cherish the hope that one day he will be amply
rewarded. 此句中跟在 a scientist 后面的 bent on doing 怎么理解？ 有个固定搭配是 be bent on,
这里是不是 Like a
scie...
on weekends 与 on the weekend 有什么区别，这两个词有什么区别；是不是 on weekends 指的是星期六和星期日。on the weekend 指的是星期六或者星期日某一天是这样理解的吗？He wants to go to Beijing next weekend.为什么这里的 weekend 不用 weekends?谢...
... have tried a wide range of methods to persuade people to put
down their phones when they are behind the wheel. 翻译：在过去的七年里，大多数州都禁止司机发短信，一些公共服务活动也尝试了各种方法来说服人们在开车时放下手机。 Yet
the problem, by just...