今年4月18日5时38分,由上海南站开出的上海至苏州D460次“和谐号”动车组列

题型:填空题

问题:

今年4月18日5时38分,由上海南站开出的上海至苏州D460次“和谐号”动车组列车(速度在200公里及以上的列车),将成为中国首列正式开出的时速200公里以上的旅客列车。动车组每个车厢的下部安置电动机,此列车在行驶时主要的能量转化是_______________,在该车的一等舱的卫生间内装有感应式冲水器,它主要用到的物理知识是________________。(两空均填一个)

考点:能量转移和能量转化电磁铁的其他应用
题型:填空题

The road is covered with snow. I can’t understand _____ they want to go to school by  motorbike.

A.why

B.when

C.since

D.that

题型:填空题

For many people today, reading is no longer relaxation. To keep up their work they must read letters, reports, trade publications, interoffice communications, not to mention newspapers and magazines: a never ending flood of words. In (1) a job or advancing in one, the ability to read and comprehend (2) can mean the difference between success and failure. Yet the unfortunate fact is that most of us are (3) readers. Most of us develop poor reading (4) at an early age, and never get over them. The main deficiency (5) in the actual stuff of language itself—words. Taken individually, words have (6) meaning until they are strung together into phrases, sentences and paragraphs. (7) , however, the untrained reader does not read groups of words. He laboriously reads one word at a time, often regressing to (8) words or passages. Regression, the tendency to look back over (9) you have just read, is a common bad habit in reading. Another habit which (10) down the speed of reading is vocalization—sounding each word either orally or mentally as (11) reads.
To overcome these bad habits, some reading clinics use a device called an (12) , which moves a bar(or curtain) down the page at a predetermined speed. The bar is set at a slightly faster rate (13) the reader finds comfortable, in order to "stretch" him. The accelerator forces the reader to read fast, (14) word by word reading, regression and subvocalization practically impossible. At first (15) is sacrificed for speed. But when you learn to read ideas and concepts, you will not only read faster, (16) your comprehension will improve. Many people have found (17) reading skill drastically improved after some training. (18) Charlie Au, a business manager, for instance. His reading rate was a reasonably good 172words a minute (19) the training; now it is an excellent 1,378 words a minute. He is delighted that how he can (20) a lot more reading material in a short period of time.

A.then
B.as
C.beyond
D.than

题型:填空题

患者,女,28岁,妊娠25周,浮肿、乏力、血压高;显微镜检查:白细胞2~5/HPF,PRO定性(+++),定量5.2g/24h,其最可能的诊断是()

A.膀胱炎

B.肾盂肾炎

C.妊娠中毒症

D.急性肾小球肾炎

E.肾动脉硬化

题型:填空题

鼻再造时扩张额部皮瓣与其他皮瓣相比,具有的优点是()

A.供、受区色泽一致

B.供区可拉拢缝合

C.再造鼻的后期收缩少

D.血运丰富

E.避免供区凹陷畸形

题型:填空题

新购自备铁路货车注册程序如何规定?

更多题库