以下选项涉及到流动资产要素的是（）。 A.购买水泵、电脑等 B.收到支农、惠农资金

小张曾在网上看中一件标价为5欧元的一件小饰品，那时的汇率为1欧元=10人民币元。一个月后，欧元贬值了5%。此时，用人民币购买这件饰品，小张要比一个月前[ ]

A．多支付人民币0.5元

B．少支付人民币0.5元

C．少支付人民币2.5元

D．多支付人民币2.5元

元朝加强统治的措施

（1）全国：元世祖在中央设_______，地方设_______，简称“行省”。

（2）西藏：西藏成为元朝正式的_________。

The problem is my weight. I’m just 1.57 meters high, but51. ______
my weight is 75 kilos. Many students often make a fun 52. ______
of me. Some boys were unfriendly for me—they call 53. ______
me "meat ball". That makes me to feel unhappy. 54. ______
Although I’m a bit too fat, yet I feel very well. I 55. ______
enjoy my meal. I love eating meat very much. And I like 56. ______
sweet food, though. I often have sugar with tea, milk. In57. ______
the past two months I had put on 5 kilos. So I’m becoming58. ______
more and more worried this problem, but I don’t 59. ______
know to lose weight quickly. Could you help me, dear doctor. 60. ______

肾前性与肾性急性肾功能衰竭鉴别诊断中，以下哪项不正确（）

A.肾前性肾衰中，尿比重＞1.020，肾性肾衰尿比重＜1.015

B.肾前性肾衰中，尿渗透浓度＞500mmol／L；肾性肾衰尿渗透浓度＜400mmol／L

C.肾前性肾衰中，尿钠＞40mmol／L；肾性肾衰，尿钠＜20mmol／L

D.肾前性肾衰中，肾衰指数＜1；肾性肾衰指数＞2

E.肾前性肾衰中，尿检正常；肾性肾衰尿检可见蛋白，多种细胞，管型

形式逻辑中内涵和外延的关系是什么？