呕血呈暗红色,是由于()。 A.在胃中停留时间长,被氧化 B.是静脉血,非动脉血 C

题型:单项选择题 A1型题

问题:

呕血呈暗红色,是由于()。

A.在胃中停留时间长,被氧化

B.是静脉血,非动脉血

C.血红蛋白与胃酸结合而变性

D.患者在缺氧情况下发生呕血

E.血红蛋白与硫化物结合而变性

考点:中医执业助理医师中医执业助理医师真题(二)·第一单元
题型:单项选择题 A1型题

第二节: Alan等5个语言学习者都想借助于计算机辅助学习来提高语言水平。下面是六个最新开发的语言辅助学习软件。请阅读不同学习者的特点与要求和六个学习软件的相关信息,并按照要求匹配信息。注意,其中有一项是多余的。

61. Alan is an English teacher in a high school. He intends to develop his career by improving his languages skills, especially his oral English. Besides, he wants to learn some other languages so that he will have less difficulty in communicating with local people when he travels in Europe this summer.

62. Jennifer, a little school girl, finds English words difficult to remember. She is good at drawing as well as dancing. She is fond of listening to stories and telling stories. Her parents are trying to find all interesting ways to aid her English study.

63. Bob has a girlfriend teaching English at a language center. He always finds they have had little time to be together because his girlfriend is always occupied with her work. He is determined to find all effective teaching tools to lighten her burden from her work.

64. Jack, a businessman, usually writes e-mails to his business partners around the world. But he is often confused when choosing the proper words in his writing. He needs a dictionary to be installed into the computer so that it can be convenient for him to find the exact meaning of a word. He also hopes to enlarge his vocabulary by doing exercises in the computer when he is free.

65. Tom, a school boy, lost his interest in English because he wastes too much time playing computer games and reading science fiction. His teacher finds vocabulary is a big problem to him. So his parents are wondering how they can help improve his English as well as develop his interest in the subject.

Oxford phrasebuilder Genie

The phrasebuilder Genie sits on top of your word processor while you are writing or on top of a webpage you are reading. When you come across a word you are not sure of, you click on it and the meanings will appear in the Genie, taken from the Advanced Learner’s dictionary. There’s a lot more too; there is a massive exercise bank of over 4,000 exercises drawn from the Advanced Learner’s Dictionary, which is excellent for vocabulary development. The program also includes study pages which can be printed out and photocopied.

Word Invaders

In this version, the aliens (外星人) are in the form of words, which come down towards you in groups of four, in a line. Three of them are similar, one is either different, or incorrect English. If you choose correctly, you gain points; if you choose incorrectly, you lose them. There are six levels, from Beginner to Advanced, and five different sections to overcome. The program has a word store of 2,400 different vocabulary items.

Vocabulary Builder

Using Vocabulary Builder is a fun way for young children to learn basic vocabulary. The program combines pictures, text and sound to make an interactive flash card system which teachers can use to help in basic language teaching. Students can choose whether to learn vocabulary, play vocabulary games or record their own story using the vocabulary they’ve learned.

Beat the Clock

The name says it all! This is a game designed to boost students’ vocabulary levels by giving a definition (定义) of a word, which they must type in the box. However, they don’t have time to sit and think forever about the word, because they are playing against the clock. They will get a high score only if they can guess the word quickly. The program is divided into six levels, from beginner to advanced, and tests all parts of English vocabulary.

Exercise Generator

The generator is for busy teachers who want to produce really professional-looking, paper-based reading and vocabulary activities, tests, homework and exam practice material for their students. It enables you to do it in minutes! It’s also an extremely fast and economical way of building a resource for a library or self access centre.

Tell Me More Pro

Tell Me More Pro, covers key areas of English and a range of other languages including Spanish and German. The program involves oral and written expressions, comprehension, pronunciation, vocabulary and grammar. From the menu, students can choose the lesson in which they want to work and then pick them from a variety of activities.

题型:单项选择题 A1型题

已知x=599+C991598+C992597+…+C9998•5,那么x被7除的余数为…(  )

A.-2

B.5

C.-1

D.6

题型:单项选择题 A1型题
修一条路,第一天修了全长的
2
3
,第二天修了全长的20%,还剩2.6千米没修,这条路全长多少千米?
题型:单项选择题 A1型题

反转恢复序列(inversionrecovery,IR)构成,正确的是()

A.90°脉冲,一个180°复相脉冲

B.180°反转脉冲,一个90°激发脉冲与一个180°复相脉冲

C.90°激发脉冲,多个180°复相脉冲

D.采用小的翻转角脉冲,几个180°脉冲

E.90°脉冲,几个180°脉冲

题型:单项选择题 A1型题

静脉肾盂造影,对下列哪一种疾病最有诊断价值()

A.急性肾小球肾炎

B.慢性肾小球肾炎

C.急性肾盂肾炎

D.慢性肾盂肾炎

E.肾病综合征

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