高三英语教案 Unit7 A Christmas Carol (同步辅导与练习)

A．At her supervisor’s criticism，Martha lost her temper．
B．Mr Petri felt Martha was not valued in her present job．
C．Martha’s interview with the director was on her lunch hour．
D．Martha got the name of the director through her cousin．
3．The phrase “the last straw” in the middle of the passage probably refers to _____．
A．the last opportunity B．the straw that saves Martha’s life
C．the last reminder D．the final unpleasant thing
4．What does Maria think of Martha’s decision？
A．Maria has handled the matter properly．
B．Martha shouldn’t have set the bridge on fire．
C．Martha should have found a new job before leaving•
D．Martha shouldn’t have lost her temper with her supervisor．
B
Elephants don’t forget ——at least，female（雌性的）elephants don’t. Elephant families are matriarchal. And the social knowledge gained by the oldest females is the key to a family group’s survival（生存），according to a study publish in April by Karen McComb，a biologist at Sussex University in England．
Elephants announce their presence by making a deep, long sound, a practice referred to as contact calling（联络呼叫）．An unfamiliar call may mean that an elephant from outside the family group is nearby．A stranger can cause trouble，interrupting feeding or disturbing the young．So an elephant matriarch signals the family to gather around her；then they all lift their trunks in the air to smell the unfamiliar caller．False alarms can disturb the group and take time and energy away from feeding，so survival may depend in part on getting it right.
Working with Cynthia Moss，who founded the Amboseli Elephant Research Project in Kenya 30 years ago，McComb tested the social knowledge of 21 Amboseli elephant families with matriarchs 27 to 67 years old．She played recordings of contact calls to each family and found that the oldest matriarchs were much better at picking out unfamiliar calls．In fact，a group with a matriarch in her fifties was several thousand times more likely to form into a group upon hearing an unfamiliar contact all than when hearing a familiar call．However，families with younger matriarchs were less than twice as likely to gather together upon he hearing an familiar contact call as compared with a familiar call．And they gathered together a lot．Moreover，the social knowledge of older matriarchs translated into favorable results：Families with older matriarchs produced more baby elephants in each female-reproductive year．
This finding shows how difficult it is to protect the oldest members of elephant families．As elephants age，they continue to grow larger，as do their much wanted tusks（象牙）．So the older——and wiser——a matriarch is，the greater the chance she will be killed．About 800,000 elephants have been killed by people in the past 20 years．
5．What does the underlined word “matriarch” mean？
A．An old member of an elephant family．
B．A female head of an elephant family．
C．A wise elephant．
D．A large elephant．
6．When do elephants form into a group？
A．When they are feeding the young．
B．When they see a familiar elephant．
C．When they are giving birth to baby elephants．
D．When the leading elephant gives out a warning．
7．The research with recordings of contact calls shows ____．
A．how fast elephants form into groups
B．how important the age of a leading elephant is
C．how frightened elephants are when hearing a strange call
D．how frequently old elephants call other members of the family
8．The older a female elephant is，____．
A．the stronger she will be
B．the poorer memory she will have
C．the more useless her tusks will be
D．the more likely she will be killed
9．We can infer from the passage that elephants may _____.
A．run into other elephant families
B．give wrong warnings to their mothers
C．run away upon hearing a strange sound
D．produce more babies gathering together more often

Ⅴ．短文改错
Nobody can tell exactly why people first began to use salt， 1．_____
but it is well-known that salt has used in many different ways 2．_____
throughout history．People who lived over 3,000 years ago ate sated 3．_____
fish．In ancient Egypt，salt was used to preserve dying bodies． 4．_____
Stealing salt were regarded as a serious crime in different 5．_____
times．In the 18th century，for example，a person was 6．______
caught stealing salt，he was put into the prison．In the 7．_____
Roman Empire，one of the most important road was built 8．_____
especially for salt to be carried from the mines to Rome． 9．_____
Guards were sent to protect the salt from stolen．The guards got their 10．_____
pay in salt，from which the English word “salary” originated．Any guard who fell asleep while
on duty was said to be “not worth his salt”．This is still used today in English．

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