With the development of science, more new technology to the field of IT.
A. has introduced B. is being introduced
C. is introduced D. was introduced
It looks like the weather is changing for ______. Shall we stick to our plan?
A. the worse B. worse C. the worst D. worst
I wanted some paper but there was _____ in the house.
A. nothing B. none C. no one D. not one
Many lifestyle patterns do such great harm to health that they actually speed up ______weakening of the human body.
A. a; / B. /; the C. a; the D. /; /
The winter of 1990 was extremely bad. ______, most people say it was the worst winter of their lives.
A. At last B. As a result C. In a word D. In fact
Please don’t phone him between 1 and 3 p.m. tomorrow. He ______ a lecture then.
A. will have delivered B. has been delivering
C. will be delivering D. delivers
