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【简答题】
Questions 3 and 4 are based on the news report you have just heard. 3.A) Improve the maths skills of high school teachers. B) Change British people's negative view of maths. C) Help British people understand their paychecks. D) Launch a campaign to promote maths teaching. 4.A) Children take maths courses at an earlier age. B) The public sees the value of maths in their life. C) British people know how to do elementary calculations. D) Primary school teachers understand basic maths concepts.
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【单选题】Babies usually cry when they feel _______because they have no other way to express themselves.
A.
distinguished
B.
distressed
C.
discouraged
D.
dishonest
【单选题】关于腹部动脉,说法错误的是________。
A.
腹主动脉是腹腔动脉的主干，有下腔静脉与之伴行，其分支有脏支和壁支。
B.
腹主动脉的脏支有成对和不成对之分，成对的有肾上腺中动脉、肾动脉、睾丸/卵巢动脉，不成对的有腹腔干、肠系膜上动脉、肠系膜下动脉。
C.
腹腔干的分支有肝总动脉、胃左动脉、脾动脉，胃的全部血供均来自于胃左动脉。
D.
阑尾动脉由肠系膜上动脉的分支回结肠动脉发出。
【简答题】从腹主动脉发出的不成对的脏支是________、________、________。
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