It was a cold winter day.
A、这是一个寒冷的冬天。
B、这是寒冬的一天。
C、这是冬天寒冷的一天。
D、这是一个寒冷的冬日。
A、这是一个寒冷的冬天。
B、这是寒冬的一天。
C、这是冬天寒冷的一天。
D、这是一个寒冷的冬日。
A.how
B.which
C.that
D.what
It seems that the cold winter ______.
A.increases the ability to think
B.is the best time for thinking
C.is better for thinking than is very warm weather
D.decreases the ability to think
The underlined word "hibernation" in paragraph 2 means ______.
A.a sleep to avoid eating
B.a temperature in a cold weather
C.a sleep in the cold season
D.an animal to practice sleep in winter
B.I like the food there.
C.He asks me whether I like the weather.
D.It’s cold in winter and hot in summer.
What does Paragraph 3 mainly discuss?
A.The direction for future research.
B.The necessity of running more tests.
C.The difficulty of testing the theories.
D.The cost of animal experiments.
A.snow
B.is snowing
C.snows
It was in the winter of 1951 ______ a heavy fog moved into London.
A.that
B.then
C.when
D.空
It was in the winter of 1951_____a heavy fog moved into London.
A.that
B.then
C.when
D./