a. a part of= part of (part 永远对)
例题:
Canadian scarlet-clad (guards) and Mounties (with) horseback are (part) of the (summer scene) in Ottawa.
答案: B withàon
b. 表示职务、身份、亲属关系的词可以单独使用(a founder 的a 可省略,也可加the)
eg: Little Bush, son of George Bush, is running for the office of president. √
is chief of the Miami tribe √
Allan Pinkerton, (founder) of (the famous) detective agency that bears (him) name, directed a Civil War espionage间谍 system (behind) Confederate lines.
答案: C himàhis
c. in + 单数名词 “在某一方面,领域”
in function, in size, in color, in shape, in stage, in medical science
d. 表示“种类”名词后所接noun可单独使用
eg: each type of/ kind of/ sort of/ category of shoe
each category of shoes 复数也对,但单数更好
e. 固定词组中的名词不要改变:in honor/ danger of, in response to