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In recent years, the world has made progress in reducing deaths among children under the age of five. A new report says an estimated 6.9 million children worldwide died before their fifth birthday. That compares to about twelve million in1990. The report says child mortality rates have fallen in all areas. It says the number of deaths is down by at least 50 percent in eastern, western and southeastern Asia. The number also fell in North Africa, Latin America and the Caribbean. Ties Boerma is head of the WHO’s Department of Health Statistics and Informatics. He says most child deaths happen in just a few areas. TIES BOERMA: “Sub-Saharan Africa and southern Asia face the greatest challenges in child survival. More than eighty percent of child deaths in the world occur in these two regions. About half of child deaths occur in just five countries—India, which actually takes twenty-four percent of the global total; Nigeria, eleven percent; the Democratic Republic of Congo, seven percent; Pakistan, five percent and China, four percent of under-five deaths in the world.” Ties Boerma notes that, in developed countries, one child in one hundred fifty-two dies before his or her fifth birthday. But south of the Sahara Desert, one out of nine children dies before the age of five. In Asia, the mortality rate is one in sixteen. The report lists the top five causes of death among children under five worldwide. They are pneumonia, diarrhea, malaria and problems both before and during birth. Tessa Wardlaw is with the U-N Children’s Fund. She is pleased with the progress being made in Sub-Saharan Africa. The area has the highest under-five mortality rate in the world. But she says the rate of decline in child deaths has more than doubled in Africa. TESSA WARDLAW: “We welcome the widespread progress in child survival, but we importantly want to stress that there’s a lot of work that remains to be done. There’s unfinished business and the fact is that today on average, around nineteen thousand children are still dying every day from largely preventable causes.” The World Health Organization says one way to solve these problems is to make sure health care services are available to women. In this way, medical problems can be avoided or treated when identified. 小题1:Since 1990, the number of the children who died before 5 in the world has dropped by about__________. A.6,900,000 B.12,000,000 C.1,200,000 D.5,100,000 小题2: What does the underlined word “mortality” ( in Paragraph 2)mean? A.illness B.reduction C.death D.problem 小题3:According to the passage, the readers are likely to believe that __________. A.child mortality rates have fallen just in five areas B.Sub-Saharan Africa has the highest under-five mortality rate in the world C.in developed countries, no children die before the age of five D.the world has made little progress in reducing the rates of child mortality 小题4:______ is the top-one cause of death among children under five worldwide. A.Global warming B.Malaria C.Pneumonia D.Diarrhea 小题5:What will be probably referred to in the following paragraph? A.Women do not want to have babies. B.How more health care services are available to women. C.Medical problems are completely solved. D.The World Health Organization.
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【判断题】账户是根据会计科目来开设的,会计科目和账户都是按照相同经济内容来设置的,两者反映的会计对象的经济内容相同。 ( )
A.
正确
B.
错误
【单选题】K m 值的概念是( )。
A.
与酶对底物的亲和力无关
B.
是达到 V max 所必需的底物浓度
C.
同一种酶的各种同工酶的 K m 值相同
D.
是达到 1/2 V max 的底物浓度
【单选题】在重庆市有全国 56个民族的居民,有常住少数民族人口193万人。在党的民族政策光辉照耀下,居住在重庆市的各少数民族同胞与汉族同胞心相连、手相牵,共同创造了一个文明和谐的大家庭
A.
形成了平等团结互助和谐的民族关系
B.
民族差异已经消除
C.
伴随各民族的共同繁荣,民族问题已经消除
D.
各民族逐步走向大同
【单选题】K m 值的概念是:
A.
与酶对底物的亲和力无关
B.
是达到 V m 所需的底物浓度
C.
同一组酶的同工酶的 K m 值相同
D.
是 v 达到 1/2V m 的底物浓度
【判断题】账户是根据会计对象开设的。()
A.
正确
B.
错误
【判断题】当上、下游管底标高落差小于 1m 时,一般只需将检查井底部做成斜坡,不采用专门的跌水措施。
A.
正确
B.
错误
【判断题】人们规定电压的实际方向为低电位指向高电位。
A.
正确
B.
错误
【单选题】K m 值的概念是
A.
达到 V max 所需底物的浓度
B.
与底物毫无关系
C.
酶 - 底物复合物的解离常数
D.
酶在同一反应中 K m 值随浓度而变化
E.
是达到 I/2V max 时的底物浓度
【单选题】K m 值的概念是
A.
达到V max 所需底物的浓度
B.
与底物毫无关系
C.
酶在同一反应中K m 值随浓度而变化
D.
是达到1/2V max 时的底物浓度
【单选题】会计账户是根据( )开设的。
A.
会计对象
B.
会计科目
C.
会计要素
D.
会计等式
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