Scientific research shows that animals can show emotions like human beings. They are sometimes lively, and sometimes bad-tempered.
| A．contradictory | B．instant | C．appropriate | D．flexible |
Thousands and thousands of people attended the president’s inaugural ceremony, with ages _______from 5 to 100.
| A．varying | B．changing | C．ranging | D． rating |
Large quantities of solid fuel ______consumed every day and too much carbon dioxide is sent into the air, which in turn _______ the going up of temperature.
| A．is; results in | B．are; results in | C．is; leads to | D．are; results from |
_______the fact that there was great prejudice against women entering men’s profession then, she succeeded as a manager of a big company.
| A．While | B．In spite of | C．Despite of | D．As |
Once you have become _______ to cigarette smoking or alcohol, it is hard to _______it even though you try hard.
| A．used; get away with | B．addicted; get rid of |
| C．adapted; get down to | D．accustomed; get off |
It is _______ it was yesterday.
| A．as beautiful day as | B．as a beautiful day as |
| C．as beautiful a day as | D．beautiful as a day as |