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【简答题】
营养指人体从外界摄取食物,经过 ( )、() 和 (),利用食物中为身体所需要的物质,以维持生命活动的整个过程。
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举一反三
【简答题】He would have given you more help, if he ______ (not be) so busy.
【单选题】He is always thinking more of himself, seldom, _____, offering to help others. [ ]
A.
if never
B.
if ever
C.
if possi ble
D.
if any
【单选题】题目: 静脉注射甘露醇引起尿量增加是通过 编号: CQAAQBH
A.
增加肾小球滤过率
B.
增加肾小管液中溶质的浓度
C.
减少抗利尿激素的释放
D.
减少醛固酮的释放
E.
减少远曲小管和集合管对水的通透性
【简答题】螺纹的要素包括 : 、 、 、 和 。只有当所有要素 才能旋合。
【单选题】Ben consumes soda and cheeseburgers. If his total utility from sodas is currently 40, and his total utility from cheeseburgers is 30, and the price of cheeseburgers is twice the price of sodas,
A.
Ben is in equilibrium.
B.
Ben should increase his soda consumption and decrease his cheeseburger consumption.
C.
Ben should decrease his soda consumption and increase his cheeseburger consumption.
D.
we cannot conclude that any of the above are correct.
【单选题】Sue consumes only sandwiches and soda and is at her best affordable point. The price of a sandwich falls. The substitution effect is that Sue substitutes ________ for ________. The income effect is th...
A.
sandwiches; soda; buys less of both goods
B.
soda; sandwiches; buys more soda and fewer sandwiches
C.
sandwiches; soda; buys more of both goods
D.
soda; sandwiches; buys less soda and more sandwiches
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