msoftx3000最大反码()用户。 A.160M B.180M C.200M D

题型:单项选择题

问题:

msoftx3000最大反码()用户。

A.160M

B.180M

C.200M

D.220M

考点:华为通信系统考试华为通信系统考试题库
题型:单项选择题

牙釉质的主要成分羟基磷灰石[Ca10(PO4)6(OH)2]在水中能极少溶解Ca10(PO4)6(OH)2(s)10Ca2+(aq)+6PO43-(aq)+2OH-(aq),已知25℃时Ksp[Ca10(PO4)6(OH)2]=2.35×10-59,Ksp[Ca10(PO4)6F2]=7.1×10-61,Ksp[CaCO3]=5×10-9,Ksp[CaF2]=4×10-11,下列说法不正确是 [ ]

A.25℃时饱和CaCO3溶液和饱和CaF2溶液相比,后者c(Ca2+)较大

B.饮用水中氟元素含量较低的地区使用含氟牙膏可有效防止龋齿

C.口腔内残留食物会发酵使口腔呈酸性,所以饭后、睡前应该要漱口

D.25℃时,在CaCO3悬浊液中加入NaF溶液后,CaCO3不可能转化为CaF2

题型:单项选择题

卡尔费休法测定水分含量时,调节搅拌速度以()为准。

A、进样量

B、试剂消耗量

C、滴定速度

D、滴定池内无气泡

题型:单项选择题
People from Great Britain brought the English language to North America in the 16th and 17th centuries. And in the __36__ 300 years, there were so many___37__ in both places that now people can easily___38__ an English person from an American in the___39__ he or she talks.
Many old words___40__ in England but were kept in America.For example,300 years ago people in Great Britain got their water from something they__41__either a“faucet”,“spigot”,or a“tap”.All these words are___42__ heard in different parts of America, but only “tap”is still___43_ in England.Americans often make___44__ new words or change old ones. “Corn”is one kind of plant in America and__45__ in England.
Also, over the last three centuries the English language has___46__ thousands of new words for things that weren’t___47__ before. And often, American and English people used two__48__ names for them. A tin can is called“tin”for short in English, but a “can”in America.The word “radio”is__49__all over the world, including America.But many English people call it a “wireless”.And almost anything___50__ something to do with cars, railroads, etc.has different___51__ in British and American English.
But now American and British English may be___52__ closer together. One thing is that__ 53_ people can hear a large amount of American speech daily in___54__, on television, or from travelers. Because of this, Americans___55__ to be influencing the British more and more. So some day, English may even be the same on both sides of the Atlantic.
小题1:
A.pastB.recentC.oldestD.latest
小题2:
A.citizensB.inventionsC.changesD.advances
小题3:
A.pickB.tellC.takeD.judge
小题4:
A.voiceB.placeC.languageD.way
小题5:
A.disappearedB.stayedC.returnedD.formed
小题6:
A.saidB.talkedC.spokeD.called
小题7:
A.thenB.hardlyC.clearlyD.still
小题8:
A.necessary B.nativeC.commonD.lively
小题9:
A.ofB.intoC.upD.out
小题10:
A.anotherB.the otherC.noneD.something
小题11:
A.discoveredB.addedC.improvedD.learned
小题12:
A.acceptedB.knownC.introducedD.understood
小题13:
A.newB.shortC.differentD.surprising
小题14:
A.producedB.madeC.developedD.used
小题15:
A.havingB.bringingC.gettingD.making
小题16:
A.typesB.namesC.degreesD.parts
小题17:
A.puttingB.stayingC.livingD.growing
小题18:
A.BritishB.AmericanC.educatedD.ordinary
小题19:
A.families B.busesC.moviesD.newspapers
小题20:
A.needB.expectC.seemD.happen
题型:单项选择题

34周早产男婴于生后6小时被送到NICU。正常分娩,生后无窒息,但生后2小时出现面色发青,呻吟,呼吸困难且进行性加重。此患儿最不可能得到的检查结果是()

A.胸部X线检查可见大片状阴影,并有代偿性气肿

B.血钾7.1mmol/L

C.血钠122mmol/L

D.血气分析呈低氧血症

E.血气分析呈代谢性和呼吸性酸中毒

题型:单项选择题

关于人工授精,下列哪个说法错误

A.是指用器械将精液注入官腔或宫颈管内
B.适用于男方性功能障碍
C.适用于男方无精症
D.抗精子抗体阳性者可采用
E.丈夫精液人工授精易造成近亲结婚和遗传性疾病传播

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