So popular that the young generation are dying for one．( )A．has iPhone 4 becomeB．iPhone 4 has becomeC．had iPhone 4 becomeD．iPhone 4 had become 题目和参考答案——青夏教育精英家教网—

12．Most people have heard the sound of bees among flowers．Bees live almost everywhere in the world except in the Arctic areas．
Many kinds of agriculture depend on these small，social insects．Without bees，fruit and nut growers as well as many other farmers would not have a crop．
There are more than 20，000kinds of bees．But only honey bees make enough honey for people to use．Honeybees are highly-organized social insects．They work together in a group，called a colony（群体）．Each colony lives in a hive（蜂房）．It contains one queen bee--she lays all the eggs from which the members of the colony come．Each colony has only a few hundred males，called drones．The majority of all bees in a colony are workers，which are all females．
Bees even have a special stomach，called a honey stomach，which is used to store sweet fluid that the bees gather from flowers．Bees also have long hairs on their body and legs．These hairs capture pollen（花粉） as bees go from flower to flower．Some of the pollen is taken back to the hive．Some，however，is passed to the next flower．This is how many plants are fertilized．Pollen is the reproductive material of plants．Many important agricultural crops depend on bees for fertilization．
Inside their hives，bees store sweet liquid from flowers and pollen as well．They may even gather sweet liquid from some other kinds of insects．These kinds of sweet liquid are also stored in the hive．
Bees make honey through a process．They add liquid from their own mouths to sweet liquid into simple sugar．As the honey is stored，it dries．It becomes thicker and darker．
Although bees are often thought of as honey makers，they provide a surprising number of products．Also，their greatest economic value is in fertilizing crops-not in making honey．

67．The passage is mainly aboutC．
A．bees and their colony
B．the way for bees to pass pollen
C．bees and agriculture
D．the process for bees to make honey
68．Honeybees are social insects becauseA．
A．they work in groups
B．there is queen bee in every colony
C．they live in a hive
D．each of them does the same job
69．The most valuable thing honeybees do for people is inB．
A．making honey
B．fertilizing crops
C．making flowers grow better
D．producing pollen
70．The word"fertilize"in the sentence"This is how many plants are fertilized．"probably means"D"．
A．to make plants strong and productive
B．to make soil rich for plants
C．to start the development of young flowers
D．to introduce pollen into plants．

19．Would you please keep quiet？An important announcement ________．（　　）

	A．	broadcasts		B．	is broadcast
	C．	is being broadcast		D．	is broadcasting

9．It is not easy to find true friends．And you often find that someone who you thought you could trust may have let you （48）down．There are ways you can know if a friendship is true
Generally speaking，a true friend is someone （49）who will be there with you no matter what happens．They will stand by you through bad and good times，（50）and they will be there to help you grow in new ways．
A true friend will be honest and be （51）someone you can depend on．They will listen and be someone you can talk things over with，even if they may not have advice to share （52）with you．
However，friendship is （53）a two-way street．To find true friends and keep them，you must in turn be the same as well．It will fall apart fast （54）if only one person is giving and putting all the effort．
Actually，there will be barriers in the road （55）but that is the test of true friendship．If it can survive those barriers，it will be stronger and better than ever．

3．Feeling sad？Then hit the shops．It really works!Buying something makes people happier．This is the news that will strike fear into the hearts of those who pay off the family credit cards every month．
New research has found that retail therapy （购物疗法）cab be an"effective way to minimize sadness"．It can even help a person feel more in control of their environment，researcher claim．
Generation of consumers have been urged to satisfy their desire to keep up with the latest fashion by simply browsing（逛） in stores and doing window shopping．But researchers from the University of Michigan say"retail therapy"should no longer be dismissed as it could help people overcome melancholy．
The researchers carried out three experiments to investigate whether shopping restored a sense of control in people to combat feelings of sadness．The research found that buying something was up to 40times more effective at giving people a sense of control and they were three times happier than those who only browsed．
Previous studies have shown that shoppers enjoy positive feelings when reflecting on their most recent purchase，when that shopping had been motivated by a desire to repair mood．However，the researchers said until now it had remained unclear whether shopping conveys benefits beyond distraction（分心），or the passage of time．
"Retail therapy is often said to be ineffective，wasteful and a dark side of consumer behavior，but we propose that retail therapy has been viewed too negatively，"the researchers say．

28．What has been newly discovered about retail therapy？B
A．It makes people four times happier．
B．It helps people minimize sadness effectively．
C．It satisfies people's desire to follow fashion．
D．It gives people a sense of satisfaction in their life．
29．The underlined word"melancholy"in Paragraph 3probably refers to a feeling ofB．
A．despair
B．sadness
C．sympathy
D．delight
30．What benefit of shopping has been clear to the researchers？A
A．Killing time
B．Fear to pay off credit cards
C．Concentration of mind
D．Motivation to rest
31．What may the researchers from the University of Michigan agree with？D
A．Retail therapy should be dismissed．
B．Retail therapy produces negative feelings．
C．Retail therapy is a waste of time and money．
D．Retail therapy should be viewed more positively．

20．-How was your trip？
-Fine but ______．Milan was interesting．It's bigger than I expected，however a little ______ and dirtier．（　　）

	A．	disturbing； clumsier		B．	tiring； noisier
	C．	boring； duller		D．	freezing； brighter

1．The computer system_______ suddenly while he was searching for information on the Internet．（　　）

	A．	has iPhone 4 become		B．	iPhone 4 has become
	C．	had iPhone 4 become		D．	iPhone 4 had become

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