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【单选题】
关于胃排空的叙述,错误的是A.
胃的蠕动是胃排空的动力
B.
迷走神经兴奋促进胃排空
C.
液体食物排空速度快于固体食物
D.
糖类食物排空速度最快，蛋白质最慢
E.
混合性食物在进餐后6小时完全排空
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反馈参考答案：
举一反三
【单选题】A record in which the effects of transactions are first recorded and from which transaction amounts are posted to the ledger is a(n):
A.
Account.
B.
Trial balance.
C.
Journal.
D.
T-account.
E.
Balance column account.
【简答题】The Truth Behind The Da Vinci Code In 2006, Sony Pictures released a remarkable and intriguing rim entitled The Da Vinci Code, based on the novel of the same name by Dan Brown. In the film, religious ...
【判断题】Directions: In this section, you are asked to decide whether the statements are True or False, and then click on the choices marked 正确 (True) or 错误 (False)on the box below. T he Egyptians recorded the...
A.
正确
B.
错误
【简答题】阅读理解: The recent heat wave that had broke n temperature records across Europe broke different records when it arrived in Greenland. On August 1, the Greenland Ice Sheet experienced its biggest single-...
【简答题】楔键连接的特点是()、()
【单选题】下列描述中,是楔键连接特点的是
A.
键在槽中能绕其几何中心摆动以适应轮毂中键槽的斜度，工艺性好，安装方便
B.
其工作面是两个侧边
C.
可传递单向轴向力，受冲击和振动时可保证连接的可靠性
D.
固定在轮毂上，轴上零件带键在轴上的键槽中作轴向移动
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