Professor Jordon is well known for his _____ into the habits of the common housefly.
(2012安徽卷)Carl is studying food science at college and hopes to open up meat processing factory of his own one day.
(2012浙江卷) The development of industry has been_______ gradual process throughout _______ human existence, from stone tools to modern technology.
(2012江西卷)The Smiths don’t usually stay at hotels, but last summer they spent a few days at a very nice hotel by ________ sea.
We are said to be living in ____ Information Age, ____ time of new discoveries and great changes.
He missed ______ gold in the high jump, but will get _____ second chance in the long jump.