...ive Americans had taken care
of these precious natural resources wisely. Unfortunately, it took the explorers
and the settlers who followed only a few decades to decimate a large part of these resources. Millions of waterfowl
(水禽) were killed at
the hands of market hunters and a handful of overl...
...”的句子问题。Despite this characteristic, the most common drawback for any PD controller, with unknown dynamics or even with unmodeled dynamics is the error signal differentiation. 句中为什么用逗号和with将主语和谓语隔开？这是什么语法结构？
1)Whether eaten raw or cooked, fennel is good for you.2)He sat there on the sofa, with a map spread on his knees, with his face under the lamp bright and alert.上面2句：其中1)raw or cooked是否是fennel的主语补语，2)bright and alert是否也是He的主语补语呢？
Well she stood up for women, she was not swayed, not easily swayed,and she just had people's best interests at heart.viewed the world differently to a lot of men, I have great respect for her.（和很多男人看世界的方式不同，我很尊重她）1. 句中swayed是形容词还是被动...
Earlier Ted Cruz, a Texas senator and the only plausible rival to Donald Trump forthe nomination, suspended his campaign following his loss in the Indiana primary.请问：句中的 following 可以换成 after 吗？
The only real way to improve opportunities forthe country’s middle class is to increase its chances to get higher education.感觉像动状关系to get higher education with the chances。又感觉像同位关系，chances= to get higher education. 请老师指点！
... lives of more than 2.4 million babies by donating blood nearly every week for 60 years.At the age of 14, Harrison had an 11-hour operation to remove a lung. “I received 13 liters of blood and my life had been saved by unknown people,” Harrison said. “When I’m old enough, I’ll become a blo...
... that handsome tie come from?—It was ______ from my grandfather.A. given for us B. a gift to
us C. given to us D. a gift.第一题，选项D, 其它三个选项为什么不可以？2. —How did you get that green album?—It was ______ by my father.A. gift for me ...