【单选题】关于肌红蛋白的叙述,下列哪项是错误的?()
【简答题】V 带是横截面为 等腰梯形 的传动带,其工作面为 ___________ ,标准 V 带的结构有 ___________ 和 _________ 两种 。
【简答题】People with higher levels of education earn more, have more control over their f_____, and have healthier and better-educated children. (the ability to produce offspring, esp abundantly)
【单选题】Old Mothers' Children Have Higher Diabetes (糖尿病) Risk Children of older mothers run a higher risk of developing insulin-dependent (胰岛素依赖型的) diabetes, the British Medical Journal said. 'A strong associ...
A.
the maternal age at delivery.
B.
the age of the father.
D.
the amount of sugar he or she consumes.
【单选题】很多生物性的污染威胁到了人们的食品安全,但不包括()。
【简答题】Children with a 104-degree temperature or higher may be more comfortable if their fever is lowered with ______.
【简答题】诗歌素有“三美”之说,指的是音乐美、( )、建筑美。
【简答题】如果想实现对指定正则字符匹配至少n次,但不超过m次,则可以使用______________指定字符重复。
【多选题】关于摇镜头的功用与表现力,正确的是
A.
有利于突破画框的限制,展示更广阔的空间,扩大视野范围,如俯瞰战场、展现美景、交代环境等
B.
用来介绍并强调同一环境中不同主体之间的空间位置关系,形成并列、对比关系
D.
摇镜头的速度有快有慢,可形成不同的节奏,最快的称之为甩摇