急性阑尾炎最典型的临床症状是() A.胃肠功能紊乱 B.发热 C.转移性右下腹痛 D

题型:单项选择题

问题:

急性阑尾炎最典型的临床症状是()

A.胃肠功能紊乱

B.发热

C.转移性右下腹痛

D.右下腹疼痛

E.恶心、呕吐

考点:北京住院医师急诊科Ⅰ阶段普通外科普通外科题库
题型:单项选择题

25 ℃时,浓度均为0.2 mol/L的NaHCO3和Na2CO3溶液中,下列判断不正确的是[ ]

A.均存在电离平衡和水解平衡

B.存在的粒子种类相同

C.c(OH-)前者大于后者

D.分别加入NaOH固体,恢复到原温度,c(CO32-)均增大

题型:单项选择题

阅读下面的材料,根据要求作文。

附着在大地上

你是土壤

沉浮在空间里

你是尘埃

土壤的功用是无比崇高的。而尘埃,却只能污染空气。两者都由土而来,价值却全然不同。生活中,你见过这样的现象吗?你思考过它们的原因吗?请以“土壤和尘埃”为话题写一篇文章,所写内容须在这个话题范围之内。

[注意](1)立意自定;(2)文体自选;(3)不少于800字;(4)不得抄袭。

题型:单项选择题

阅读理解。

                                                                         Courses 

     Meeting your needs

     We understand that our students are of different age-groups and abilities, come from different backgrounds

and have different personal and professional reasons for wishing to improve their language skills. Small class

sizes (maximum 10 students) ensure that individual learning needs can be satisfied.

     Confidence-building environment

     Our highly qualified, friendly staff will ensure that when you come on one of our courses, you will be treated

as an individual (个体) and will be provided with the opportunity to learn language skills at a level and pace

which suits you. In this way, you can feel sure that we will enable you to maximize (最佳化) your learning

potential (潜能), while making sure you always feel comfortable and confident to communicate in the language

you have chosen to study.

     Course Length

     There is no fixed course length, as we feel it is important to be flexible (灵活的), in order that students can

decide what period of study suits them best. Providing there is a free time at an apptopriate (适当的) level,

students can come and learn at our school for a period of a week. Why not sign for your first week now? We're

confident you'll be coming back for more!

     Course types

     We offer a full range of group and one to one courses, at all ability levels. Most of our courses are taught

in-house at our school in Richmond however we can also organise in-house training for your organization. We

offer a range of full time General English courses, English exam courses leading to a recognized qualification

(资格),Business English courses, special English Summer courses and a wide range of Foreign Languages.

Please note that the minimum age for students on all our group courses is 16, younger learners are taught via

individual one to one tuition.

1. In what way can the course meet the needs of individuals? [ ]

A. There is no fixed course length.

B. There are no more than 10 students in a class.

C. Students will be provided with the opportunity to learn language skills at a level and pace.

D. They will be provided with the opportunity to learn language skills at a level and pace.

2. How will the students build up their confidence in the course? [ ]

A. Students will be provided with the opportunity to learn language skills at a level and pace and feel

     comfortable and confident to communicate in the language they have chosen to study.

B. They will leam the language they choose very easily with the help of the teacher.

C. The course will be easy for all kinds of students and so they can be sure they are successful.

D. The.students feel the course is flexible and so they like it.

3. Students can go to the course any time available (合适的), because _____. [ ]

A. they will provide the course all the time

B. the length of the course is not fixed and you can go to the course any time that suits you

C. the first part of the course is very easy and you needn't go there every day

D. the lessons can be repeated later

4. What's the purpose of writer in writing the passage? [ ]

A. To introduce some courses of lessons suitable for students of all levels.

B. To introduce how to build students' confidence.

C. To tell us no fixed course length suits students best since it is important to be flexible.

D. To tell us how to find a course that suits us.

题型:单项选择题

35. He has been in hospital for a long time and he is ________ now.

A.taking up

B.picking up

C.turning up

D.doing up

题型:单项选择题

DDZ-Ⅱ型温度变送器自励调制式直流放大器对输入信号的极性具有相敏作用,所以只要输入为零或反向就不可能振荡,也就无输出。

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