题目内容
（请给出正确答案）
A．Twice as many.
B．Three times as many.
C．Half as many.
D．About the same.
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更多“About how many more whales hav…”相关的问题
How many methods can one use to obtain information about schools？
A．Three.
B．Four.
C．Five.
D．Six.
A.come about
B.occur to him
C.bring about
D.take place
A、to correct
B、to be corrected
C、for correcting
D、corrected
A. change their views about language which is not a system of linguistic knowledge but a means for communication
B. change their traditional role of a knowledge transmitter to a multi-role educator
C. use more formative assessment in addition to using tests.
D. use more task-based activities and put the students in the centre of learning
将英语短文译为中文
2. Kin Recognition (10分)
Many organisms, from sea squirts to primates, can identify their relatives. Understanding how and why they do so has prompted new thinking about the evolution of social behavior. by David W. Pfennig and Paul W. Sherman Kinship is a basic organizing principle of all societies. Humans possess elaborate means by which to identify relatives, such as using surnames and maintaining detailed genealogies.
Mechanisms for distinguishing kin also occur throughout the plant and animal kingdoms regardless of an organism’s social or mental complexity, in creatures as diverse as wildflowers and wasps. Scientists are beginning to discover that an understanding of the origin and mechanisms of kin recognition offers fresh insights into such diverse topics as how living things choose their mates, how they learn and how their immune system works.
BELDING’S GROUND SQUIRRELS live in groups in which mothers, daughters and sisters cooperate extensively. By using odors, the squirrels can distinguish familiar nestmates, who are close kin, from nonnestmates. They can also discriminate between full sisters and half sisters.
They could see there was something wrong with both watches. They observed them for several hours before speaking to each other. They both silently found the German watch was losing 60 minutes and the Japanese are doubled that.
The scientists with the Japanese watch then slowly raised his head and said, “Both watch are out of work, but my watch is right more often than yours, so it’s better.” The scientist with the German watch went home without saying a word.
(1) The two scientists were quarrelling at the beginning of the story, because_______.
A.the Japanese watch was better
B.the German watch was better
C.each of them thought his own watch was better than the other’s
D.both the watches were wrong
(2) They did an experiment because they_______.
A.wanted to know whose watch was better
B.liked their lab
C.wanted to repair their watches
D.had a basin of water in their lab
(3) After they did the experiment, they found_______.
A.both their watches were good
B.neither of their watches could tell the correct time
C.there was something wrong with the German watch
D.there was something wrong with the Japanese watch
(4) After putting the Japanese watch in water for 20 minutes, two scientists found_______.
A.it was a good watch
B.it went forward
C.it went faster than the German one
D.it went backwards 120 minutes
(5) How about the German watch at last？
A.It went more correctly than before.
B.It stopped working.
C.It went as well as the Japanese one.
D.It was better that the Japanese one.
A.for
B. against
C. of
D. with
How many people are on John Timbald's crew？
A．Four.
B．Five.
C．Six.
D．Twelve.
A、How long
B、How many
C、How often
D、How much
A.How many
B.How much
C.How often
D.How long
