速度~高二英语~最好是老师回答~或者高手也行~ 一定要详细告诉为什么~谢谢了~

题目

速度~高二英语~最好是老师回答~或者高手也行~ 一定要详细告诉为什么~谢谢了~
1.The president will meet nine _____at the White House.
A. editor-in-chief B,editors-in-chiefs
C.editors-in-chief D.editor-in-chiefs
2.This is a _____report
A.three-thousand-words B,three-thousand-word
C.three-thousands-words D,three thousands-words
3.The doctor checked up both Wang's_____heart.
A.father-in-law's and his brother-in-law's
B.father's-in-law and his brother's-in-law
C.father-in-law and his brother-in-laws
D.father-in-laws' and his brother-in-laws'
正确答案是 C C A

答案

1. C复合名词editor-in-chief“主编”的复数形式是把中心词editor变成复数形式,而其他的不用变.2. B复合形容词中如果含有名词,则只用其单数形式,所以必须是word,排除ACD；而且基数词的单位词hundred/thousand/millio...