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【单选题】
路线一处圆曲线纵坡为5.5%，超高为4%，则此处合成坡度为（ ）A.
4%
B.
5.5%
C.
6.8%
D.
7%
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举一反三
【判断题】According to US laws, American children must go to school until they are at least 16 years old.
A.
正确
B.
错误
【单选题】Central American children try to enter the US because______.
A.
they will be officially pardoned
B.
they will avoid home violence
C.
they will not live poorly as US immigrants
D.
they will escape the life in home countries
【单选题】'My very educated mother just served us nine pizzas'. Many American school children are taught this sentence to help them remember the order of the planets of the solar system. Soon though, this may c...
A.
it represents typical American culture.
B.
it represents nine planets in the solar system.
C.
it is often used in teaching astronomy.
D.
it is a good example of mnemonics.
【简答题】男性，13岁，面色苍白半年。体检：中度贫血貌，巩膜轻度黄染，脾肋下3cm。检验：血红蛋白81g／L，白细胞及血小板正常，网织红细胞13％；Coombs试验（－）；红细胞渗透脆性试验，初溶为58％氯化钠溶液。全溶为46％氯化钠溶液本例溶血性贫血发病机制为A、获得性红细胞膜缺陷 B、遗传性红细胞膜缺陷 C、红细胞磷酸己糖旁路中的酶缺陷 D、珠蛋白肽链合成减少 E、红细胞自身抗体产生 属于上述发病机制的...
【简答题】On April twenty-second, some American children stayed out of school but they were not punished. They were with their parents. As Faith Lapidus tells us, it was Take Our Daughters and Sons to Work Day....
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