交流发电机的线圈转到线圈平面与中性面重合时,下列说法中正确的是( ) A.电流将

题型:选择题

问题:

交流发电机的线圈转到线圈平面与中性面重合时,下列说法中正确的是(  )

A.电流将改变方向

B.磁场方向和线圈平面平行

C.线圈的磁通量最大

D.线圈产生的感应电动势最大

考点:正弦式交变电流
题型:选择题

下列哪种情况应考虑急性心肌梗死的可能()

A.夜间发生心绞痛

B.卧位型心绞痛

C.缺血性胸痛持续大于30分钟

D.恶化劳力型心绞痛

E.新近发生心绞痛

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栓焊梁、全焊梁上焊缝及附近钢材上发现裂纹应如何处理?

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第二节:以下五人正在寻找一些网站,阅读以下六段不同网站的介绍(A、B、C、D、E和F),对应选出正确答案,并在答题纸上将该选项标号涂黑。A、B、C、D、E和F选项中有一项是多余选项。

51. Jasper enjoys listening to music. He is expecting to find a website where he could search for various songs with similar tunes that he prefers.

52. Luke is planning to buy a car. But right now he has not made up his mind. He prefers Mazda RX-8. He wants to find more information about this car to make sure that it is a good choice.

53. Connie works in a beauty salon. She always talks about fashion with her customers. She is especially interested in dresses with new designs.

54. This Sunday is Valentine’s Day. Roderick is still deciding what kind of presents he should buy for his girlfriend. He prefers to have something traditional, like chocolate.

55. Fiona is retired. She begins to pay attention to her health. What interests her most now is how to remain healthy and young. She always surfs on the internet for such information.

A. Naturespath.com is an excellent health-food website. “Life enhancement expert” Allan Hunkin interviews such guests as nutrition expert Dr. David Katz and tri-athlete Melanie McQuaid. They talk up health food and weight management, including debates on the benefits of whole grain and organics.

B. Autoblog.com tops the category by covering “auto industry news from A to Z.” They discuss hundreds of car models and links to outside articles for more information. While the site provides no reliability reviews, its “royal and growing fan base” comments frequently on the entires.

C. Mrchocolate.com—The Consumer Reports “best buy” for “unusual” chocolates for the one you love. Jason’s choice is 50 pieces of small dark, milk, and white chocolate with offbeat (标新立异的) centers, including coffee, nut butter, and tropical fruit.

D. Elizabeth-charles.com highlights new fashion designs from the Southern Hemisphere. This fall, that means “drapery pieces” of New Zealand brand Zambesi and the “tailored, Greek-inspired dresses” of Australian Jayson Brunsdon.

E. Carpet-rug.org— The Carpet and Rug Institute awards a “Green Label” to vacuums (真空吸尘器) that release fewer than 100 micrograms of dust particles per cubic meter of air. Find a list at this site.

F. Pandora.com takes one of your favorite tunes, then suggests songs that you might enjoy. Pandora offers 10 hours of free use, then charges $ 36 a year.

题型:选择题

严肃审查工作纪律。强调审查纪律就是政治纪律,坚决防止()、()、(),严禁以案谋私。

A.跑风漏气

B.失密泄密

C.隐匿和瞒报线索

D.钱权交易;E权色交易

题型:选择题

堆贴又称"塑贴"、"堆雕"、"堆塑"。是将印出或塑出的立体状纹饰贴附在陶瓷的坯胎上,然后罩釉烧制而成的一种陶瓷装饰技法。

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