14．-Has Tim started?He said he would join in the party．-He ．He is a man of his word．( )A．could ha——青夏教育精英家教网——

14．-Has Tim started？He said he would join in the party．
-He ．He is a man of his word．（　　）

could have left

won't be coming

13．Gradually，you will realize that the things that matter are that can't be bought with money．（　　）

11．You have a big mouth，Tom．You ___ have told everybody the secret．（　　）

10．---My daughter nearly set the chicken on fire when cooking some dishes．
---You can't stress ______the importance of using the fire．（　　）

9．Millions of people working or studying out of their hometowns ________ home to reunite with families as the Chinese Spring Festival approaches．（　　）

	A．	have hurried		B．	hurry
	C．	will be hurrying		D．	hurried

8．-Why didn't you answer the phone when I called you last night？
-Sorry，I __________ a bath upstairs．（　　）

7．一Thank you very much．
一Not at all，I was glad to help．（　　）

6．You _____ have watered the flowers，for it's going to rain．（　　）

5．It is found that American students spend less than 15% of their time in school．While there's no doubt that school is important，a number of recent studies reminds us that parents are even more so．A study published earlier this month by researchers at North Carolina State University，for example，finds that parental involvement-checking homework，attending school meetings and events，discussing school activities at home-has a more powerful influence on students'academic performance than anything about the school the students attend．Another study，published in the Review of Economics and Statistics，reports that the effort put forth by parents （reading stories aloud，meeting with teachers） has a bigger impact on their children's educational achievement than the effort devoted by either teachers or the students themselves．And a third study concludes that schools would have to increase their spending by more than $1，000 per pupil in order to achieve the same results that are gained with parental involvement．
So parents matter．But it is also revealed in researches that parents，of all backgrounds，don't need to buy expensive educational toys or digital devices for their kids in order to give them an advantage．They don't need to drive their offspring to enrichment classes or test-preparation courses．What they need to do with their children is much simpler：talk．
But not just any talk．Recent research has indicated exactly what kinds of talk at home encourage children's success at school．For example，a study conducted by researchers at the UCLA School of Public Health and published in the journal Pediatrics found that two-way adult-child conversations were six times as potent in promoting language development as the ones in which the adult did all the talking．Engaging in this reciprocal（双向的） back-and-forth gives children a chance to try out language for themselves，and also gives them the sense that their thoughts and opinions matter．
The content of parents'conversations with kids matters，too．Children who hear talk about counting and numbers at home start school with much more extensive mathematical knowledge，report researchers from the University of Chicago．While the conversations parents have with their children change as kids grow older，the effect of these exchanges on academic achievement remains strong．Research finds that parents play an important role in what is called"academic socialization"-setting expectations and making connections between current behavior and future goals．Engaging in these sorts of conversations has a greater impact on educational accomplishment．
72．Parents are even more important than schools in thatD．
A．parental involvement makes up for what schools are not able to do
B．teachers and students themselves do not put in enough effort
C．parental involvement saves money for schools and the local government
D．students may well make greater achievements with parents'attention
73．It can be inferred from the 2^nd paragraph thatC．
A．educational toys are unaffordable nowadays
B．digital devices can give children an advantage
C．some parents believe in enrichment classes
D．talking with children is a very simple task
74．The word"potent"is closest in meaning toA．
A．powerful B．difficult C．necessary D．resistant
75．Which of the following will more encourage children's success at school according to the passage？B
A．Parents order their children to stop playing video games．
B．Parents discuss with their children the possible future career．
C．Parents lecture their children on getting too low marks on tests．
D．Parents introduce colleges around the US to their children．

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