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【单选题】
一个标准的HTML文件是以标记开始，并以什么标记结束（ ）A.
B.
C.
D.
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反馈参考答案：
举一反三
【简答题】Many children use the Internet to get useful knowledge and information, and to relax in their free time. But some of them are not using in a good way. Here are some rules to make sure you are safe and...
【多选题】下列各具体事项可以使用请示这一文种的有()
A.
请求协调与帮助解决本机关无法解决的困难与问题
B.
请求审核批准或批转本机关制定的法规、规章或决定、报告等
C.
请求协调与解决本机关无法解决的困难和问题
D.
根据规定必须履行审批程序的事项
【简答题】Many children use the Internet to get useful knowledge and information, and to relax in their free time. But some of them are not using in a good way. Here are some rules to make sure you are safe and...
【单选题】The significance of open space and 'wild places lies in that
A.
they can relax our minds.
B.
they provide dwellings for us.
C.
they keep the ecosystem balanced.
D.
they act as animal reserves.
【多选题】“化学学科核心素养”包含了哪些内涵?
A.
变化观念与平衡思想
B.
宏观辨识与微观探究
C.
宏观辨识与微观探析
D.
科学探究与创新意识
E.
证据推理与模型构建
F.
科学态度与社会责任
G.
证据推理与模型认知
【单选题】I really appreciate ____ to relax with you on this magicisland. [ ]
A.
having time
B.
to have time
C.
to have had time
D.
to having time
【多选题】下列各具体事项可以用请示行文的有
A.
超出本机关职权范围，需批准才能办理的事项
B.
请上级机关解释有关方针政策
C.
请求协调与解决本机关无法解决的困难和问题
D.
向无隶属关系的机关请求帮助
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