如果每人步行的速度相同,3个人一起从甲地到乙地要3小时,那么每个人需要_____

题型:填空题

问题:

如果每人步行的速度相同,3个人一起从甲地到乙地要3小时,那么每个人需要______小时,6个人一起从甲地到乙地要______小时.

考点:操作与策略
题型:填空题

雏禽缺锰主要表现为()和()。

题型:填空题

下列关于巨幼细胞贫血的描述,错误的是()

A.属于大细胞性贫血

B.属于小细胞低色素性贫血

C.由叶酸缺乏引起者最多见

D.由维生素B12缺乏引起者多为内因子缺乏所致

E.可表现为"牛肉舌"

题型:填空题

A student is learning to speak British English. He wonders (想知道): Can I communicate with Americans? Can they understand me? Learners of English often ask: What are the differences between British and American English? How important are these differences?

Certainly! there are some differences between British and American English. ‘There are a few differences in grammar. For example, speakers of British English say “in hospital” and “Have you a pen?” Americans say “in the hospital!” and “Do you have a pen?”. Pronunciation is sometimes different. Americans usually sound theirs in words like “bird” and “hurt”. Speakers of British English do not sound theirs in these words. There are differences between British and American English in spelling and vocabulary. For example, “colour” and “honour” are British, “color” and honor” are American.

These differences in grammar, pronunciation, spelling and vocabulary are not important, however. For the most part, British and American English are the same language.

小题1:According to this passage, a student who is learning to speak American English might be afraid that_______.

A.British people cannot understand him

B.American people cannot understand him

C.the grammar is too hard for him

D.the spelling is too hard for him小题2:American English and British English are different in ________.

A.spelling

B.pronunciation

C.grammar

D.all of the above小题3:What is not mentioned (提及) in the passage?

A.Whether there are differences between British English and American English.

B.Whether British English and American English are one language or two.

C.How the differences between British English and American English came about.

D.How important the differences are.小题4:Most ________ say “Do you have a watch?”

A.British people

B.Americans

C.children

D.teachers小题5:According to this passage, British people and Americans have _________ difficulty in understanding each other.

A.little

B.much

C.some

D.great

题型:填空题

新版FPL报文18项PBN/,字母D1代表()

A.RNAV5

B.RNAV2

C.RNAV1

D.RNP1

题型:填空题

腕管内的肌腱是:()

A.小圆肌

B.三角肌

C.指屈肌腱

D.趾长屈肌腱

E.胫前肌腱

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