It is implied that the main impact that gene transfer between crops and weeds could have is.
A.the rapid development of unintended plant hybrids
B.the collapse of the agricultural industry
C.the development of pest and herbicide-resistant weeds
D.the difficulty to determine the given nature of current research
What is true about the apartments Mies building Chicago's Lake Shore Drive?
A.They ignored details and proportions.
B.They were built with materials popular at that time.
C.They were more spacious than neighboring buildings.
D.They shared some characteristics of abstract art.
If businessmen are taxed too much, they will no longer be __ to work hard, with the result that tax revenues might actually shrink.
A.cultivated
B.licensed
C.motivated
D.innovated
A.over
B.up
C.off
D.in
The purpose of the passage is to discuss ______.
A.the problems of international migrants
B.the motives of international migrants
C.migration inside the country
D.the adjustment problems experienced by immigrants
The professor's lecture was so __ that some of the students fell asleep during the class.
A.disturbing
B.boring
C.upsetting
D.bothering