患者,女,40岁,诉左上后牙咬物不适1个月,无冷热刺激不适。检查:6近中龋洞,探(-

题型:单项选择题 A1/A2型题

问题:

患者,女,40岁,诉左上后牙咬物不适1个月,无冷热刺激不适。检查:6近中龋洞,探(-),叩(+),松(-),牙髓活力电测试无反应,X片示根尖区骨质破坏影。正确的诊断是()

A.急性牙髓炎

B.慢性牙髓炎

C.急性根尖周炎

D.慢性根尖周炎

E.牙髓坏死

考点:口腔科住院医师牙体牙髓病牙体牙髓病题库
题型:单项选择题 A1/A2型题
With a determined(坚定的) look on his face, Chicago’s Michael McCarthy held on to the banister(扶手) and climbed to the top of the Willis Tower not long ago. The Tower stands 1,451 feet(442 meters) tall, the_21_ building in the US.
As he got to the last step, McCarthy _22_ fell down, but that didn’t stop him. The 14-year-old boy finally finished climbing the 2,109 steps and arrived at the top, where he _23_cheers from many people.
“I just want to show people that _24_ a kid with no legs can do it, anyone can do it,” McCarthy said.
McCarthy, who was born without legs, has to wear prosthetic legs(假肢) and use a stick to walk. But McCarthy has a strong 25 . He believes having a disability(残疾) shouldn’t stop anyone  26  achieving his or her success.
He has been in a special school  27  he was four. When he decided to climb the Willis Tower, his teacher, Jeff Kohn, was   28  by his determination(决心) and offered to help train him. They   29  more than ten hours practicing climbing stairs and keeping balance with the prosthetics and sticks on the steps every day. “  30  seems that he never knows how difficult it is.  31  I was so tired that I asked him to rest for a day,”said Kohn. “But he said he was still full of energy and wanted more  32 .”
Kohn always walked with McCarthy for the climb. “I   33   the last 10 floors, he went faster,” said Kohn. “He’s the most craven sportsman I’ve ever trained.”
McCarthy said he was   34  of himself and that the tower now holds special meaning. “When I’m older, I’ll   35  to the building and say ‘Look at this building I climbed’,” he said.
小题1:
A.largestB.highestC.earliestD.latest
小题2:
A.seldomB.hardlyC.alwaysD.almost
小题3:
A.enjoyedB.neededC.madeD.kept
小题4:
A.whileB.afterC.ifD.though
小题5:
A.heartB.hopeC.bodyD.love
小题6:
A.byB.forC.inD.from
小题7:
A.asB.sinceC.untilD.before
小题8:
A.pleasedB.beatenC.movedD.asked
小题9:
A.usedB.spentC.tookD.wasted
小题10:
A.HereB.ThereC.HeD.It
小题11:
A.HoweverB.SometimesC.AgainD.Then
小题12:
A.friendsB.helpersC.timeD.exercise
小题13:
A.triedB.sawC.didD.met
小题14:
A.thinkingB.talkingC.worriedD.proud
小题15:
A.pointB.goC.turnD.hurry
题型:单项选择题 A1/A2型题

在管理用财务分析体系中,下列表达式正确的有()。

A.税后利息率=税后利息/负债

B.杠杆贡献率=[净经营资产净利率-税后利息/(金融负债-金融资产)]×净负债/股东权益

C.权益净利率=(税后经营净利润-税后利息)/股东权益×100%

D.净经营资产/股东权益=1+净财务杠杆

题型:单项选择题 A1/A2型题

食品包装上的QS标志()。

A、只能加贴

B、只能加印

C、可以加印或加贴

D、可以变色加印

题型:单项选择题 A1/A2型题

引起支气管哮喘持续状态的物质是()

A.组胺

B.白三烯

C.5-羟色胺

D.前列腺素

E.激肽原酶

题型:单项选择题 A1/A2型题

在FOPX型分油机中,用来控制置换水的电磁阀是()。

A.MV10

B.MV5

C.MV16

D.MV15

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