题目内容

20世纪30年代,合成纤维的出现催生了40年代()的风靡。

A. 丝巾
B. 尼龙丝袜
C. 发网
D. 工装裤

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服装是社会经济水平和人类文明程度的重要标志。

A. 对
B. 错

经济对流行的大趋势有影响,但对服装款式影响很小。

A. 对
B. 错

Cet-4-1.18-Exercise 02New Yorkers are gradually getting used to more pedaling passengers on those shining blue Citi Bikes. But what about local bike shops? Is Citi Bike rolling up riders at their expense? What is the author’s chief concern about the increasing use of Citi Bikes in New York?

A. Quality has not been the top concern of pre-K programs.
B. How the safety of bike riders can be ensured.
C. Whether local bike shops will suffer.
D. Pre-K achievements usually do not last long.

糖皮质激素治疗系统性红斑狼疮的主要机制

A. 抗休克,改善循环
B. 抑制过敏反应
C. 控制炎症,抑制免疫反应
D. 降低内毒素反应
E. 抑菌,避免继发感染

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