题目内容

乘数原理和加速原理的关系是():

A. 乘数原理说明国民收入的决定,加速原理说明投资的决定;
B. 乘数原理和加速原理都说明投资的决定;
C. 乘数原理解释经济如何步入繁荣,加速原理说明经济怎样陷入萧条
D. 只有乘数作用时国民收入的变动比乘数与加速作用相结合时的变动要更大一些。

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The appendicular artery arises from

A. Middle colic artery
B. Left colic artery
C. Sigmoid colic artery
D. Iliocolic artery
E. Right colic artery

哪种位置的阑尾发炎后容易刺激直肠和膀胱,引起里急后重感和尿频?

A. Preileal position
B. Postileal position
C. Retrocecal position
D. Subcecal position
E. Pelvic position

Lymph from the colon drains into the following lymphatic nodes directly, except

A. celiac(腹腔的) lymph node
B. paracolic lymph nodes
C. superior mesenteric lymph nodes
D. Intermediate(中间的) nodes
E. Inferiormesentericlymphnodes

The structure can not be found in the retroperitoneal space is

A. Kidney
B. Uterus
C. Ureter
D. Superarenal gland
E. Abdominal aorta

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