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【简答题】
制冷机的工 、 、 、 。
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举一反三
【单选题】(选择题)既能发生水解反应,又能发生氢化反应的是( )。
A.
油酸甘油酯
B.
软脂酸甘油酯
C.
油酸
D.
石碳酸
【单选题】关于椎动脉正确的描述是
A.
向上穿行全部颈椎的横突孔
B.
为颈外动脉的分支之一
C.
参与组成大脑动脉环
D.
经枕骨大孔入颅
E.
发出大脑后动脉
【单选题】Why did the farmer insist on giving the doctor one pound?
A.
He was thankful that the doctor cured him.
B.
The doctor never accepted money from a poor patient.
C.
The doctor thought it unfair to accept the money since he had done nothing.
D.
He insisted that it was his second visit to the doctor.
【单选题】Why are the farmer very happy in autumn?
A.
The good harvest
B.
The flowers.
C.
The interesting sports.
D.
The seafood.
【单选题】关于心的位置的描述,正确的是:
A.
位于胸腔后纵隔下部
B.
前方对胸骨体,后方平对 6~9 胸椎
C.
后方与食管、胸主动脉和迷走神经相邻
D.
约 2/3 在正中线右侧
E.
两侧直接与肺相贴
【单选题】The has a big . [     ]
A.
farm, farmer
B.
farmer, farm
C.
farmer, farmer
【单选题】Why didn't the truck owners fight to get away the melons?
A.
The old farmer was a strong enemy.
B.
The price offered for the melons was very low.
C.
It was hard to start a fight against friendly people.
D.
It was necessary to get the truck out before anything.
【单选题】既能发生水解反应,又能发生氢化反应的是
A.
油酸甘油酯
B.
软脂酸甘油酯
C.
油酸
D.
石炭酸
【单选题】关于膈的主动脉裂孔的描述,正确的是:
A.
平第8胸椎
B.
平第9胸椎
C.
平第10胸椎
D.
平第11胸椎
E.
平第12胸椎
【单选题】既能发生水解反应,又能发生氢化反应的是
A.
油酸甘油酯
B.
硬脂酸甘油酯
C.
异戊酸乙酯
D.
软脂酸甘油酯
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