Which of the following can best summarize the main idea of this text？
A. The beer in the best-shaped glass tastes best.
B. What sort of glass can affect the speed of drinking.
C. The shape and the contents of a glass matter.
D. Angela Attwood offers us a research about glasses.
查看答案
From the findings of the study, we learn that______.
A. people in poor countries are more inactive than those in wealthy ones
B. young people move less than the aged
C. the rates of inactive among women tend to be higher than those of men
D. in Finland, women exercise more than men in the country
The way that a hummingbird gets lift is______.
A. almost exactly half-way between the way most birds do and the way insects do
B. mainly when its wings move up
C. closer to insects than to birds
D. closer to birds than to insects
The key advantage insects have over hummingbirds, when hovering, is that______.
A. insects are lighter
B. their wings can turn inside out
C. they don"t need to flap their wings as fast as hurnmingbirds do
D. they need less food than hummingbirds
According to the author, the key of understanding economics is______.
A. paradigm
B. conformity
C. methodological approach
D. pragmatism
微信支付 
支付宝支付