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停课不停学,各地中小学开展线上教育 On January 27, in order to win the new pneumonia Resistance War (抗击新型肺炎战) , the Ministry of Education issued (公布) a notice on putting off the start time of school in spring 2020. It was said that school should not start before February 17. The exact start time of school will depend on situations and further notices. However, many parents are very worried that putting off the start of school may affect children’s studies. If they have such a long winter vacation, children will not learn any knowledge, read books or study at all. They may forget what they have learned before. Staying at home for a long time will make them keep eating, sleeping and playing, which seriously affect their physical and mental health. In short, the close of school influences learning and develops bad habits, so how should we avoid these problems? Local education departments have also issued a notice, that is, to organize online teaching and create a network platform (平台) , where necessary courses will be shown every day, and online teaching will be given by excellent teachers of the subject, and students can learn at home through computer or mobile network. It should be said that such a method is very good. It can not only keep students indoors and not worry about the infection (感染 ) of the disease, but also make them study at home, improve their learning ability, and truly achieve “no suspension of classes”. Both the platform itself and the recorded lesson resources are more useful, and are welcomed by parents and teachers. Of course, except for learning at home, it is also necessary to teach children about health knowledge, especially how to keep away from touching virus and other knowledge popularization; at the same time, it is also necessary for children to do some physical exercises or some games, which is good for physical health at home.
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【单选题】不易通过乳腺输送到乳汁中的营养素是
A.
B.
C.
维生素A
D.
维生素C
【单选题】4岁患儿,发热伴皮疹2天,皮疹瘙痒明显。查体:一般情况尚好,心肺无明显异常,头面部、躯干见散在斑疹、丘疹、疱疹及结痂,口腔粘膜见散在疱疹。该患儿最可能的诊断是
A.
麻疹
B.
风疹
C.
水痘
D.
猩红热
E.
急性荨麻疹
【单选题】4岁患儿,发热伴皮疹2天,皮疹瘙痒明显。查体:一般情况尚好,心肺无明显异常,头面部、躯干见散在斑疹、丘疹、疱疹及结痂,口腔黏膜见散在疱疹。对该患儿进行呼吸道隔离的隔离期为
A.
出疹后5天
B.
出疹后10天
C.
热退后5 天
D.
皮疹全部结痂
E.
结痂完全脱落
【多选题】基数效用论认为()。
A.
效用可以用1、2、3……等加以表示
B.
效用可以用第一、第二、第三……等加以表示
C.
效用大小可以比较
D.
效用的大小不可比较
【简答题】基数效用论认为,效用有(    )之分,它们可以用(    )来衡量。
【单选题】4岁患儿,发热伴皮疹2天,皮疹瘙痒明显。查体:一般情况尚好,心肺无明显异常,头面部、躯干见散在斑疹、丘疹、疱疹及结痂,口腔黏膜见散在疱疹。该患儿最可能的诊断是
A.
麻疹
B.
风疹
C.
水痘
D.
猩红热
E.
急性荨麻疹
【判断题】对于二阶传感器,阻尼比越大,上升速度越快。()
A.
正确
B.
错误
【单选题】4岁患儿,发热伴皮疹2天,皮疹瘙痒明显。查体:一般情况尚好,心肺无明显异常,头面部、躯干见散在斑疹、丘疹、疱疹及结痂,口腔粘膜见散在疱疹。对该患儿进行呼吸道隔离的隔离期为
A.
出疹后5天
B.
出疹后10天
C.
热退后5天
D.
皮疹全部结痂
E.
结痂完全脱落
【多选题】配送中心是( )的现代流通设施。
A.
从事货物配备
B.
组织送货
C.
实现销售和供应
D.
储存货物
【单选题】基数效用论认为效用是( )
A.
不可计量的
B.
可计量的
C.
不能确定的
D.
不可排序的
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