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【单选题】
胰腺的血液供应特点，下列不正确的是A.
胰腺的动脉为循环动脉，相互交通吻合呈网状
B.
胰十二指肠上动脉和胰十二指肠下动脉分别来自胃十二指肠动脉和肠系膜上动脉
C.
胰头部的血供来自胰十二指肠上动脉和胰十二指肠下动脉
D.
胰十二指肠上动脉和胰十二指肠下动脉在胰头部相互形成动脉弓
E.
胰体尾部的血供来自胰背动脉及其分支、胰大动脉和胰尾动脉
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举一反三
【单选题】—What do you think of the rules? —I think the sixteen-year-olds should be allowed _____ sports after school. [ ]
A.
to play
B.
playing
C.
played
D.
to playing
【简答题】Dear 9-year-olds, don’t get with the “popular” kids.
【单选题】Do you think _______ should be allowed to drive? [ ]
A.
sixteen-year-old
B.
seventeen-year-olds
C.
fifteen-year-old
D.
eighteen-years-olds
【单选题】What shall we do according to the conversation?
A.
Put our three-year-olds together in day-care centers.
B.
Put our 13-year-olds in schools and sports activities.
C.
Put our 80-year-olds in senior-citizen homes.
D.
Mix people of all ages together.
【简答题】A．45 to 54-year-olds. B．45 to 56-year-olds. C．45 to 65-year-olds. D．54 to 65-year-olds.
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