【简答题】连词成句。 1. grandmother glasses hair and has my gray . 2. different I and cousin my are . 3. old is my father how ?____ 4. is my mother teacher a . 5. do like wh...
【简答题】A.imperative B.desire C.requirement D.necessity
【简答题】A.Furthermore B.However C.Even so D.Since then
【单选题】My cousin has fun __________ model planes. [ ]
【单选题】Since then , however, I have learned nothing and I _________ to wonder if my application _____astray.
C.
am beginning...has gone
【简答题】A.advantage B.distinction C.deficiency D.necessity
【简答题】A. However B. Since C. Then D. Although
【单选题】镁在自然界有三种同位素 、 和 ,其原子组成为7∶1∶1,则镁的近似相对原子质量最接近下列数值中的( )
【判断题】信息检索就是信息集合与你的需要信息的匹配,比如数据库有一亿条信息,你需要一千条,由于你的表达不一定合乎数据库规范,也许结果只有100条。