下载APP
举一反三
【单选题】下面选项中，有效的IP地址是（）。
A.
202.280.130.45
B.
130.192.290.45
C.
192.202.130.45
D.
280.192.33.45
【单选题】Passage Two:Questions 26 to 30 are based on the following passage.If you want to stay young, sit down and have a good think. This is the research finding of a team of Japanese doctors, who say that mo...
A.
why certain people age sooner than others
B.
how to make people live longer
C.
the size of certain people’s brains
D.
which people are most intelligent