【单选题】s sometimes envy children who play all the time ______ they themselves have to work, rain or shine.
【单选题】What does the underlined sentence “which s sometimes frown upon” in the 4th paragraph mean ?
A.
Some s don’t understand the sports.
B.
Some s are impatient with kids.
C.
s consider it erous to go skating or skateboarding.
D.
Some s think them related to bad behaviors.
【单选题】They could sometimes terrify s.
A.
They could break pp's legs.
B.
They could sometimes terrify s.
C.
They could fly against a strong wind.
D.
They could knock pp unconscious.
【单选题】哲学家就餐问题的解决方案如下:semephore *chopstick[5]; semaphore *seat;哲学家 i:……P(seat);P(chopStick[i]);P(chopStick[(i + 1) % 5]); 吃饭 V(chopStick[i]); V(chopStick[(i + 1) % 5]); V(seat);其中,信号量seat的初值为()。
【单选题】Sometimes even s can’t right wrong.
【简答题】阅读理解. Drinking alcohol(酒精)is erous for kids and s and sometimes for s, too. Alcohol is a drug, and it is the drug most abused by s. Many kids have their first drink at an early age, a...
【单选题】When a chopstick is partly put into a glass of water, it looks as if it ______ .
【单选题】All the world is( )three parts – finger-feeders, chopstick-feeders, and fork-feeders.