设计车速不小于100km/h的货车,前排座椅必须装置汽车安全带,这是《营运车辆综合性能要求和检验方法》(GB18565—2001)对车辆安全防护装置提出的技术要求。
参考答案:对
短文改错。
Yesterday a school boy is daydreaming in class.Not knowing that he was doing,he put a pen
cap into his mouth.A few minutes late,he was terrified to find that he had swallowed it!The teacher
was shocking when the boy stood up and said,"I've just swallowed a pen cap."He was quickly
sent the nearest hospital.There a doctor examined his and said the best treatment was to take
some medicines so that the pen cap could pass natural.Three hours later the boy successfully
made it."She is really lucky," said the doctor."It's not rare that small children put things into their
mouths for a fun.It's very danger."
汉字激光照排系统的发明人、两院院士王选教授曾说过:“一个献身科学的人注定要比常人多吃苦,他必然会失掉常人享受的许多乐趣,但他也能得到常人所享受不到的很多快乐。”他的话表明
A.从事科研工作更能实现人生价值 B.人生的价值不在于人的自然本性的满足C.献身科学的人更能实现苦乐转化 D.人生的价值不应以个人的得失作为标准