几个英语的问题1.Nowatthebeginningof什么centurytheworld'spopulationhasreachedsixbillionA.twenty-oneB.twenty-firstC.thetwenty-oneD.thetwenty-first我看哪个词都意思都一样啊,他们有什么区别

Question

几个英语的问题
1.Now at the beginning of 什么 century the world's population has reached six billion
A.twenty-one B.twenty-first
C.the twenty-one D.the twenty-first
我看哪个词都意思都一样啊,他们有什么区别吗?
2.Tings of akind come together;people of a kind fall into 什么 same group
A./ B.the
C.a D.an
冠词着东西我比较烂啊,帮帮我谢
3.Please tell us about the persons and the places 什么 you visited in Shanghai.
A.that B.who
C.which D.whom
THAT与WHICH区别是什么
4.-Don't make any noise in the movie theatre.
-什么
A.Sorry,I won't B.Sorry,I can't
C.Yes, I will D.Yes,I can

Answer 1

1) D
A.C 是基数词,C中是特指.B,D中序数词,第...,D 表特指
题目是指 第21世纪,故选D
2) B
same 和什麽一样,加the
3) A
that 是指物`事或人,与nothing ,everything 等不定式词组连用
which 是指事或物,句子前有逗号时用 which
两者都要看先行词
4）A