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【单选题】
婴儿期预防接种正确的方法是
A.
2~3个月接种卡介苗
B.
2个月开始口服脊髓灰质炎疫苗
C.
4~5个月注射麻疹疫苗
D.
8~10个月注射乙肝
E.
l岁注射破疫苗
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参考答案:
举一反三
【单选题】VQ35DE含义以下表述是错误的是()。
A.
V型发动机
B.
排量是3.5
C.
顶置双凸轮
D.
直列发动机
【判断题】There were fewer Lions in New York compared with other metropolises.
A.
正确
B.
错误
【判断题】There were fewer Lions in New York compared with other metroplises.
A.
正确
B.
错误
【简答题】There are some beautiful stone ____________ of lions and other animals in the fountain in the park.
【简答题】A.Powerful Lions B.Lions at Work and Play C.Lions, Social Cats D.Lions, Skilled Hunters
【单选题】Lions are predators. Other animals stay away from lions because they are dangerous.
A.
animals that live in a group
B.
animals that kill and eat other animals
【简答题】A.Lions make most kills in the daytime. B.Male lions care more about eating than hunting. C.It doesn't take lions too much time to make a kill. D.Lions are curious about things happening around them.
【简答题】晶体管式闪光器如图所示,分析其工作原理
【简答题】A.Powerful Lions B.Lions at Work and Play C.Lions, Social Cats D.Lions, Skilled Hunters
【判断题】【§1.2】润滑不仅能减少为克服摩擦所需要的功率耗损,同时还能避免滚动和滑动表面的过渡磨损。
A.
正确
B.
错误
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