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Sports News of the Week

Bolt regains 100m title in Moscow

Last updated: Mon, Aug-12-2013, 08:54

USAIN BOLT of Jamaica won the men's 100 meters final during the IAAF World Athletics Championships in Moscow on Sunday．

Usain Bolt was made to look human by a combination of a Russian rainstorm and a fired-up Justin Gatlin on Sunday but the Jamaican superstar was still good enough to regain his world 100 meters title in a surging 9．77 seconds．

With former world and Olympic champion and twice-banned doper Gatlin leading at halfway, Bolt was forced to race a rival, rather than the clock．

Jason Dufner wins PGA Championship

Last Updated: Monday, August 12, 2013, 10:38

Jason Dufner won his first major title at the 95th PGA Championship, the top U．S． golf competition, seizing an early lead on Sunday at Oak Hill, Texas and holding on for victory despite a bogey-bogey finish．

The 36-year-old American, who squandered a four-shot lead with four holes to play in losing the 2011 PGA Championship, fired a final-round two-under par 68 to finish on 10-under par 270 for 72 holes．

Isinbaeva leads harvest day for host Russia at Moscow worlds

Last updated: WeD．August 14, 2013, 10:35

Russia's "pole vault queen" Elena Isinbaeva ignited the Luzhniki stadium as she claimed her third world title on the fourth day of the 2013 IAAF World Championships here on Tuesday, which saw host Russia harvested two gold and one silver medals in seven finals,

Ireland's Heffernan wins world walk title at 35

Last Updated: Wednesday, August 14,2013,15:15

Ireland's Robert Heffernan won the world championship 50km walk title on Wednesday as the 35-year-old finally tasted glory after 13 years of heartbreak and near-misses．

Heffernan, fourth in the 2012 Olympic 50km and fourth in both walks at last year's European championships, broke clear of Mikhail Ryzhov after 35km to deny Russia a clean sweep of the walks after they took gold in both 20km events earlier in the week．

小题1:When did Bolt regain the men's 100 meters final?

A．August 11．

B．August 12

C．August 13．

D．August 14小题2:Where is the PGA held?

A．JamaicA．             B．RussiA

C．AmericA．              D．Ireland

小题3:______ won the world championship at last after trying hard for 13 years．

A．Jason

B．Bolt

C．Isinbaeva

D．Heffernan

肌瘤变性中，下面何种常见（）。

A.囊性变

B.玻璃样变

C.红色变

D.肉瘤变

E.钙化

光线从空气射入玻璃砖，当入射角为45°时，折射光线与反射光线的夹角为105°。求：

(1)该玻璃砖的折射率是多少？

(2)光在该玻璃砖中传播的速度是多少？(保留两位有效数字)

注明炮制的药物是（）

A.炙麻黄

B.九孔石决明

C.绵茵陈

D.江枳壳

E.大腹皮

下列哪些选项属于经营活动产生的现金流入（）

A.销售商品、提供劳务收到的现金；

B.分得股利或利润收到得现金；

C.收到的租金；

D.收到的增值税销项税额和退回的增值税款；

E.出售商标、专利等无形资产收到的现金净额。