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【单选题】
乳腺癌多发生于A.
乳晕内
B.
乳房内上象限
C.
乳房内下象限
D.
乳房外上象限
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【单选题】Jo is a courier delivering parcels throughout the metropolitan area. Although she considers herself law abiding, she often breaks the speed limit while making her deliveries. Which of the following st...
A.
"It's not a problem that I speed a little bit; it's not much over the limit, and everyone else speeds some."
B.
"The speed limits are just too low around here; anyone driving at a reasonable speed will break them."
C.
"This speeding is irresponsible. From now on I am observing the speed limits."
D.
"I've got to drive fast sometimes, otherwise I will not make all my deliveries and I'll lose clients."
E.
"It's wrong to break even minor laws, but I'll probably keep speeding anyway."
【单选题】Cuttlefish are intriguing little animals. The cut tlefish resembles a rather large squid and is, like the octopus, a member of the order of cephalopods. Although they are not considered the most highl...
A.
Cuttlefish are a type of squid.
B.
Cuttlefish use jet propulsion as one form of locomotion.
C.
The cuttlefish does not have an exoskeleton.
D.
Cuttlefish are the most intelligent cephalopods.
【单选题】A little more than a century ago, Michael Faraday, a noted British physicist, managed to gain audience with a group of high government officials, to demonstrate an electrochemical principle, in the ho...
A.
politicians tax everything
B.
people are skeptical about the value of pure research
C.
taxes are uppermost in scientists' minds
D.
government should support scientists
【单选题】用惠斯通电桥测电阻时,如果下列一个情况出现,而其余正常,试选择仍能正常测量的是:( )
A.
有一个桥臂电阻为零（短路）
B.
有一个桥臂电阻为无穷大（开路）
C.
电源与检流计位置互换
D.
检流计支路不通（断线）
【单选题】Cuttlefish are intriguing little animals. The cut tlefish resembles a rather large squid and is, like the octopus, a member of the order of cephalopods. Although they are not considered the most highl...
A.
to prove the intelligence of cuttlefish
B.
to explain the communication habits of cuttlefish
C.
to produce a fanciful description of the “chameleon of the sea”
D.
to describe the “chameleon of the sea” informatively and entertainingly
【单选题】A little more than a century ago, Michael Faraday, the noted British physicist, managed to gain audience with a group of high government officials, to demonstrate an electro-chemical principle, in the...
A.
politicians tax everything
B.
people are skeptical about the values of pure research
C.
government should support scientists
D.
he was rejected by his government
【单选题】Cuttlefish are intriguing little animals. The cut tlefish resembles a rather large squid and is, like the octopus, a member of the order of cephalopods. Although they are not considered the most highl...
A.
The cuttlefish can be cooked and eaten like its less tender relatives, the squid and octopus, but must still be tenderized before cooking in order not to be exceed ingly chewy.
B.
On a scuba dive when you’re observing cuttlefish, it is best to move slowly because cuttlefish have excellent eyesight and will probably see you first.
C.
Cuttlefish do not have an exoskeleton; instead, their skin is covered with chromataphors.
D.
By far, their most intriguing characteristic is their ability to change their body color and pattern.
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