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【单选题】
TV is so often a parents good friend, keeping kids happily occupied so the grownups can cook dinner, answer the phone, or take a shower. But【C1】______ that electronic babysitter is not an educational【C2】______. According to a recent research, babies who watch TV are more likely to have【C3】______ cognitive development and language at 14 months,【C4】______ if theyre watching programs【C5】______ for adults and older children. Its surprising that TV-watching made a【C6】______ at such a tender age. This new study【C7】______ 259 lower-income families in New York, most of whom spoke Spanish as their【C8】______ language at home. Other studies examining higher-income families have come to the【C9】______ conclusion: TV watching not only isnt educational, but it seems to【C10】______ babies development. Babies who watched 60 minutes of TV daily had developmental【C11】______ one-third lower at 14 months than babies who werent watching that much TV. The【C12】______ may be due to the fact that when kids and parents are watching TV, theyre【C13】______ talking, playing, and interactions that are【C14】______ to learning and development. But what about【C15】'______' TV, like Sesame Street? The researchers didnt find any pluses or minuses when【C16】______ to non-educational programs designed for small children, like Sponge-Bob SquarePants.【C17】______ research by some of the same scientists has found that parents whose children watch non-educational TV programs like SpongeBob SquarePants spend【C18】______ time reading to their children or teaching them. The latest study of educational TV programs like Sesame Street adds more【C19】______ to a recommendation from the American Academy of Pediatrics that babies under age 2【C20】______ watch no TV at all. 【C1】
A.
hopefully
B.
unfortunately
C.
interestingly
D.
unluckily
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举一反三
【单选题】庄子表现的人格特征可以概括为
A.
温厚
B.
老辣
C.
高蹈
D.
飘逸
【判断题】蹄式制动器主要有有单蹄、双蹄和多蹄等型式,其单蹄应用较为广泛。
A.
正确
B.
错误
【判断题】当今世界,信息技术和传播媒介越发达,个人信息被披露的可能性就越小
A.
正确
B.
错误
【简答题】蹄式制动器主要有有()和多蹄等型式,其中()应用较为广泛。
【多选题】为什么要有泛型
A.
解决元素存储的安全性问题
B.
解决线程安全的问题
C.
解决获取数据元素时,需要类型强转的问题
D.
解决效率的问题
【单选题】骨骼 对于( )相当于( )对于 房屋
A.
人体︰梁柱
B.
上肢︰窗户
C.
关节︰钢筋
D.
肌肉︰电梯
【单选题】下面有关泛型类定义和使用的描述,正确的是( )
A.
泛型类中所有数据类型都要用类型参数代替
B.
泛型类的定义就是在类名后面、花括号前面加上类型参数
C.
泛型类不能实例化(创建)对象
D.
抽象类不能定义为泛型类
【单选题】18骨骼 对于( )相当于( )对于 房屋
A.
.人体︰梁柱
B.
.上肢︰窗户
C.
.关节︰钢筋
D.
.肌肉︰电梯
【判断题】当今世界,信息技术和传播媒介越发达,个人隐私被披露的可能性就越小
A.
正确
B.
错误
【简答题】2-6 0.5 mol 单原子理想气体,由 25 °C , 2 dm 3 绝热可逆膨胀至 101.3 kPa ,然后恒温可逆压缩至 2 dm 3 。求 Q , W , ΔU , ΔH 和 ΔS 。
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