When the Jewish woman's husband entered the house for the first time he found________.
A．a(chǎn) boy
B．a(chǎn) girl
C．rats
D．a(chǎn) woman and her son
47、
Currently, the two women________.
A．a(chǎn)re married again
B．frequently visit each other
C．live in different places
D．live together
48、根據(jù)下面內(nèi)容，回答48-67題：
As part of an ongoing campaign against polyvinyl chloride (聚氯乙烯), a Virginia-based environmental advocacy group today called on manufacturers and retailers to phase out its use in shower curtains. The Center for Health, Environment and Justice ( CHEJ), released the results of a small study indicating that PVC (聚氯乙烯)-containing shower curtains are capable of emitting scores of potentially harmful materials, into people's bathrooms. A previous study, conducted by Environmental Protection Agency researchers, also found that plastic shower curtains can emit toxic compounds into the air.
There's still debate among scientists about just how serious the health effects are especially at low doses. However, CHEJ urges consumers to avoid using PVC shower curtains, as well as many otherPVC products.
For people who are concerned about their shower curtains, there are alternatives. IKEA phased out PVC shower curtains 11 years ago, switching to ethylene vinyl acetate(乙烯醋酸共聚物). The company has said that 88 percent of its shower curtains would be PVC free by spring of 2008.
Manufacturers are not required to label shower curtains, but some do list" PVC" or" vinyl"on the packaging. Numerous online retailers, sell shower curtains--primarily cotton or hemp--that are free of PVC. However, mildew(發(fā)霉) can be a problem with cotton and hemp products.
What did the study released by the Center for Health, Environment and Justice show?
A．That PVC stands for polyvinyl chloride.
B．Manufacturers are not required to label shower curtains.
C．That most shower curtains sold at IKEA are made from PVC.
D．That PVC shower curtains may release potentially harmful materials.
49、 What material are the shower curtains sold at IKEA made from?
A．Ethylene vinyl acetate.
B．Polyvinyl chloride.
C．Cotton.
D．PVC and EVA.
50、 What's the biggest problem with hemp and cotton shower curtains?
A．They are see-through.
B．They are too expensive.
C．They may cause mildew.
D．They emit harmful materials.
51、 Is it easy for consumers to tell that a shower curtain is made from PVC?
A．Yes, that information is always on the shower curtain label.
B．Not always, because shower curtains don't have to be labeled.
C．Yes, but only if they're made by IKEA after 2008.
D．No, because they only contain low doses of PVC.
52、根據(jù)下面內(nèi)容，回答52-71題：
American Blacks experienced a revolution after 1945, a revolution in expectations.Following World War Ⅱ, the steady movement toward first-class citizenship for Black people quickened, with significant actions taking place in courts of law, in voting booths, in restaurants and in the streets of the nation.
A decade of intense civil rights activity was launched in 1954 when the United States Supreme Court declared segregated schools to be unconstitutional.In 1955, Dr.Martin Luther King, Jr.,effectively organized the Blacks of Atlanta, Georgia, in a bus boycott. The boycott lasted two years,and when it was over, Blacks no longer were degraded by being forced to sit or stand in the rear of buses.
In 1960, a group of Black college students decided that they, as well as white persons, had the right to eat at a lunch counter in Greensboro, North Carolina.This sit-in sparked an aggressive national movement and, in the next few years, thousands of young men and women--Black and White,North and South--overturned local laws and customs that had maintained segregation. Sit-ins, pray-ins, freedom rides, freedom marches and demonstrations to open all schools to Black children took place across the nation.
Several important actions took place to change the status of black people__________.
A．a(chǎn)fter World War II
B．in 1954
C．before 1945
D．in 1960
53、 In which city was the bus boycott organized?
A．Georgia.
B．Greensboro.
C．North Carolina.
D．Atlanta.
54、 Who are the first to make the success of sit-in become true?
A．Black college students and whites.
B．First-class citizens.
C．The Blacks of Atlanta.
D．Young men and women in Greensboro.
55、 The best title for this passage could be
A．Black History
B．Educational Opportunities for Blacks
C．The Fight for Equality
D．Civil Rights Workers of the '60s
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