【简答题】In many parts of the world, flowers of all colors and shapes can be seen in gardens, parks and other green spaces in Spring. They make our world look and smell better. So, it is no surprise that peopl...
【简答题】No one is exactly sure how baseball began, but it seems to have its roots in the English called "rounders" or "four-old-cat." Rounders had many of the same features as baseball has today. Basebal...
【单选题】Which of the following underlined word is closest in meaning to the one in the sentence "They were a long way from the anti-viral medications and vaccines that can now help to stem the spread and prom...
A.
Plants have three parts: roots, stems and leaves.
B.
I think my problems stem from childhood.
C.
Moreover, as he darned he smoked a pipe, the stem and bowl of which were red also.
D.
The measures are meant to stem the tide of illegal immigration.
【简答题】Since the first Earth Day in 1970, Americans have gotten a lot " greener " toward the environment. “We didn’t know at that time that there even was an environment, let alone that there was a problem w...