【单选题】Why was the writer pleaded with to take chemistry or biology?
A.
Beause her professor in Yale advised her to take chemistry or biology.
B.
Because her mother attempted to persuade her to take chemistry or biology.
C.
Because she was from China.
【判断题】海水含盐量高,所以海水中溶氧含量比淡水低。
【单选题】Organometallic chemistry combines aspects of organic chemistry with , and is formally defined as the study of compounds containing metal-carbon bonds, although many "organometallic compounds" contain ...
A.
those of inorganic chemistry
【单选题】1987年,()证券公司成立,这是我国第一家专业性证券公司。
【简答题】有人说:“因为海水含盐量高,所以海水中溶氧含量比淡水的低”。你认为这种说法对不对?
【单选题】現在、国会議員と都道府県の知事及び同議会議員の大部分は、政党の党員であるか、または( )の公認や推薦を受けた者です。
【简答题】A.Chemistry isn't hard for him. B.Physics is easy for him. C.Chemistry is easier than Physics for him. D.Physics is easier than Chemistry for him.
【单选题】What is analytical chemistry?
A.
The study of how chemicals react
B.
The analysis of other chemistry studies
C.
The identification, isolation, and measurement of chemicals
D.
The most advanced form of chemistry