According to the United States Constitution, the legislative power is invested in（）

单项选择题The largest city in Canada is（）

A. Vancouver
B. Montreal
C. Toronto
D. Ottawa

单项选择题What type of sentence is Mark likes fiction, but Tim is interested in poetry. （）.

A. A simple sentence
B. A coordinate sentence
C. A complex sentence
D. None of the above

单项选择题Which of the following is the oldest~ sport in the United States（）

A. Baseball
B. Tennis
C. Basketball
D. American football

单项选择题（）around the Water Cube, we were then taken to see the Bird's Nest for the 2008 Olympic Games.

A. Having shown
B. To be shown
C. Having been shown
D. To show

单项选择题The phenomenon that words having different meanings have the same form is called（）

A.hyponymy
B.synonymy
C.polysemy
D.homonymy

单项选择题One Friday, we were packing to leave for a weekend away（）my daughter heared cries for help.

A. after
B. while
C. since
D. when

单项选择题I always wanted to do the job which I'd been trained（）

A. on
B. for
C. by
D. of

单项选择题Cindy shut the door heavily and burst into tears. No one in the office knew（）she was so angry.

A. where
B. whether
C. that
D. why

单项选择题Bats are surprisingly long-lived creatures, some（）a life span of around 20 years.

A. having
B. had
C. have
D. to have

单项选择题The issue is how to（）of radioactive waste.

A. deal
B. dispose
C. disposal
D. do