...that mammals and dinosaurs appeared at the same time in the Late Triassic, about 190 million years ago, and there is no reason to believe that mammals suddenly acquired a taste for dinosaur eggs after 120 million years of coexistence. 对应答案是mammals and dinosaurs lived together for roug...
If you have really been studying English for so long, it's about time
you ____ able to write letters in English.
A) should be B) were C) must be D) are
这道题选B，为什么A不对？it is about time虚拟语气有时候不是也用should do吗
...eedboat, the waves, once generated, are on their own , and their speed has nothingto do with that of the stick. 我们老师说 主语：their speed 谓语：had nothingto do 宾语：that of the stick 可我觉得是 主语：their speed 谓语：has 宾语：nothing宾补：to do 方式状语...
Their products are ordinary,with nothing except a low price to recommend them.
这句话中with nothing except a low price是ordinary的描述性状语吗？
to recommend them是不是反射不定式?their products are ordinary to recommend them.可是为什么加them呢？反射不定式的宾...
But if robots areto reach the next stage of laborsaving utility, they will have to operate with less human supervision and be able to make at least a few decisions for themselves - goals that pose a real challenge.1) for themselves 是否可以改成by themselves ? 为什么？2）if robots areto ...
A: I got in trouble and i didn't do nothingB: What did you get in trouble for doing nothingabout?A: ...B: What were you doing nothing of?简直不知道在说什么，求老师们结合口语分析一下!
...d
with life and he keeps a diary. When he is free, he will talk to someone
about something,
and he finds it enjoyable
to join in social activities. Kevin has a son called Tony. Anyone will wonder why there is such a big difference
between them. Most
of the time Tony plays with the few birds in his h...
___ years passed, nothing changed. Every morning they would meet to argue about which things belong to whom.A. After B. As 该题，选择As更合适，表示主句动作是伴随从句动作，义为“随着...".再如，As time goes by, things are getting better and better.但是...
...roadens our horizons. It's almost impossible to learn about one historical
period without having dozens of questions about related concept. It can go
anywhere, and there is something in there for absolutely anybody .
这里的最后一句话是怎么理解呢。absolutely修饰的是介词短语吗...
...eedboat, the waves, once generated, are on their own , and their speed has nothingto do with that of the stick. 我们老师说 主语：their speed 谓语：had nothingto do 宾语：that of the stick 可我觉得是 主语：their speed 谓语：has 宾语：nothing宾补：to do 方式状语...
...machine”
could be “the last invention that man need ever make.”Fears
about the appearance of bad, powerful, man-made intelligent machines have been
reinforced (强化) by many works of fiction—Mary
Shelley’s Frankenstein and the Terminator film series, for example. But
if AI does eventuall...
... of a dictionary,
therefore, is not a task of setting up ruling statements about the “true
meanings” of words, but a task of recording, to the best of one's ability, what
various words have meant to authors in the distant or immediate past. The writer
of a dictionary is a historian, not a lawgiv...