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【单选题】
下列有关大肠的描述,错误的是A.
结肠和盲肠有结肠带、结肠袋和肠脂垂
B.
大肠的静脉血一般均直接回流至下腔静脉
C.
阑尾根部在盲肠后内侧壁,点为其体表投影
D.
回盲瓣由回肠末端的环形肌增厚构成
E.
阑尾动脉走行于阑尾系膜的游离缘
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举一反三
【单选题】Sarah earns $40,000 per year working for a large corporation. She is thinking of quitting this job to work full time in her own business. She will invest her savings of $50,000 (which currently has an...
A.
$90,000.
B.
$0.
C.
$45,000.
D.
$40,000.
【单选题】Sarah earns enough money from her painting to
A.
give up her computing job.
B.
pay for her flat and car.
C.
pay for her artist's materials.
【单选题】His ______ income is $36,000； that is, he earns $3,000 a month.
A.
monthly
B.
month
C.
annually
D.
annual
【单选题】His an( ) income (收入) is $36,000; that is, he earns $3,000 a month.
A.
annually
B.
annuals
C.
anniversary
D.
annual
【简答题】His an income ( 收入 ) is $36,000; that is, he earns $3,000 a month.
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