So for a company in this situation, keeping upto date with the latest technology, even ifit's only for the benefit of key staff, this can be hugely expensive.
请问老师，keeping upto date with the latest technology是什么成分
It seems tome that it would be wrong to ban testing on animals for vital medical research until equally effective alternatives have been developed.问题1:为何这里用it would be，可以直接用 it is吗？如果可以的话，区别在什么地方呢？问题2:为何这里使用have been done...
...is always raising money for one cause or another, but he has never
managed to get enough money to have the church clock repaired. The
big clock which used to strike the hours day and night was damaged many years
ago and has been silent ever since.One
night, however, our vicar work up with a start: t...
...is quite strong.改写为 Although he is quite strong，he is very old。Ifit rains,we will stop playing.改写为 it will rain,If we stop playin（假设自己是雨神）。He laughed a lot when he was with me . 改写为：when he laughed a lot，he was with me. When I was at school,I loved h...
...re perceptive
than we humans are. But so far that is only true for the specific tasks for
which the systems have been designed. That is something that some AI developers
are now eager to change.Some
of today’s AI pioneers want to move on from today’s world of “weak” or “narrow”
AI, to cr...
...选项。My husband and I just spent a week in Paris. Our aim was to see if we could live, in
some way, like real Parisians. So the first thing we did was rent a
fantastically expensive sixth-floor apartment the size of a cupboard. It was so
tiny that we had to leave our suitcases in the hallway. ...
... the brilliant dancer who
she used tobe. * My brother is a peasant, who Iam
not. *The TV set is not the one which used
tobe. 先行词不指人本身，而是指人所具有的品质、性格、地位等时，关系代词应用that或which,不用who(
m)。第一句的dancer指职业、能力等...
...产生歧义），可以用不定式的一般式代替完成式,。如（Iam sorry to hear the bad news.）但如果一句话可能导致歧义，是否就不能用不定式一般式代替完成式了。如（Iam glad to talk with you.）不定式在将来发生。（Iam glad to have talk with yo...
...s the first time they’re
living away from home and managing their own life. Not surprisingly, adapting to this new lifestyle can be challenging. The
following four tips will make high school graduates better prepared for college
life.Goal setting When setting goals, whether they’re academic, ca...
...上一查，果然是个形容词。如：adj.1. be/get mixed upin sth: tobeinvolved in an illegal or dishonest activityHe's the last person I'd expect tobe mixed upin something like this.I'd have tobe crazy to get mixed upin that kind of thing.2. be/get mixed up with sb: tobein...
...t now.”下面是结局中的一小部分： There was a merciful dullness in her mind now, a dullness that she knew from long experience would soon give way to sharp pain, even as severed tissues, shocked by the surgeon’s knife, have a brief instant of insensibility before their ago...
...s growing
roses. 她的爱好是种植玫瑰。The real problem is
getting to know the needs of the customers. 真正的问题是了解消费者的需要。动名词和不定式均可用作主语和表语，两者的区别是：动名词多指笼统的、抽象的概念，而不定式则多表示具...
Unit 1 My name’s Gina. 1.
关于缩略词 I’m, you’re, he’s等的用法【问】网上有资料说在一般疑问句的否定回答中只能说
“No ，we are not”或者“No,
we aren’t”，不能说“No, we’re not”。请问，这种说法正确吗？【答】表示肯定的缩...
不定式省略to的10种情况 ■柯选编一、使役动词与to的省略当不定式用于let, make, have等使役动词后作宾语补足语，不定式必须省略to。如：Let me have another cup of
tea. 给我再来一杯茶。She had him dig away the
snow. 她让他把雪挖走。They mad...