皮皮学，免费搜题
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搜题
【单选题】
机体抗细胞内寄生虫感染主要靠:A.
体液免疫
B.
细胞免疫
C.
补体
D.
溶菌酶
E.
干扰素
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皮皮学刷刷变学霸
举一反三
【单选题】For Jack, the total utility from three shirts is 50 units and the marginal utility of one more shirt is 5. The total utility of four shirts is
A.
45
B.
55
C.
55/4
D.
55/5
E.
None of the above answers is correct.
【单选题】Cohesion assesses candidates’ ability to _____ideas, sentences and paragraphs together.
A.
organize
B.
link
C.
arrange
D.
express
【单选题】If total utility is increasing as more of a good is consumed:
A.
marginal utility must be decreasing.
B.
marginal utility must be increasing at an increasing rate.
C.
marginal utility is positive.
D.
both (b) and (c) are true.
【多选题】信用证是指银行有条件的付款承诺，即开证银行依照客户(开证申请人)的要求和指示，承诺在符合信用证条款的情况下，凭规定的单据( )。
A.
向受益人进行付款或承兑
B.
向受益人的指定人进行付款或承兑
C.
授权另一家银行向受益人付款或承兑
D.
授权另一家银行议付
E.
授权另一家银行向受益人的指定人付款或承兑
【单选题】根据《UCP500》,除非信用证规定货物的指定数量不得有增减,所支付款项不得超过信用证金额的条件下,货物数量准许有( )的增减幅度。
A.
4%
B.
5%
C.
8%
D.
10%
【单选题】The amount by which total utility _____ when an additional unit of a good is consumed is _____.
A.
. changes; average utility
B.
. increases; the income effect.
C.
. decreases; maximum utility
D.
. changes; marginal utility
【单选题】Cohesion assesses candidates’ ability to _____ideas, sentences and paragraphs together.
A.
link
B.
arrange
C.
express
D.
organize
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