题目内容

气固色谱固定相中常用的五种吸附剂有、、、和。

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毛细管柱气相色谱具有以下四个特点:、、和。

(ch10) For the national tourism market, the following statements correctly include ()?

A. The main factor restricting the development of tourism is insufficient demand
B. The unreasonable and unbalanced results of supply side are the main problems of tourism development
C. The downturn of international inbound tourism shows that the domestic tourism supply system needs to be improved
D. The popularity of outbound tourism shows that the domestic people have a strong demand for tourism

(ch10) Which of the following industries can be promoted by tourism industry?

A. Railway
B. business
Cultural creativity
D. Film and television entertainment

小儿推拿时手法速度

A. 缓慢
B. 忽快忽慢
C. 先慢后快
D. 速度宜快
E. 先快后慢

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