旅游资源主要包括（） A.自然旅游资源 B.人文旅游资源 C.社会旅游资源 D.经济

在空白处填入适当的内容或括号内单词的正确形式（不多于3个单词）。

A new word has suddenly become wildly popular in China---“tuhao” --- ___小题1:___ loosely translated means “nouveau riche (new rich).” There ___小题2:___ (be) more than 100 million references to the word “tuhao” on social media since early September this year.

It's being used to describe ___小题3:___ from the new People's Daily building, to expensive celebrity weddings full of bling-bling （惹人注目的昂贵首饰）, and the new gold-coloured iPhone.

In Chinese “tu” means earth, and “hao” means rich. To say someone is a tuhao is to imply they come ___小题4:___ a poor peasant background, and have made it rich quick, but don't quite have the manners, or taste to go along with it. It's ___小题5:___ the term “nouveau riche”, but has even more negative meaning, suggesting a certain vulgarity(庸俗).

This new usage of the term took off in September after a widely-shared joke about a rich, but ___小题6:___ (happy) man. He goes to a Buddhist monk for advice and expects to ___小题7:___ (tell) to live a more simple life. But the monk replies instead with the phrase: "Tuhao, let's be friends!"

Chinese Internet users are highly ___小题8:___ (create) in their use of language, and are constantly inventing, and re-inventing words for better expressions of some social phenomena. In this case, the popularity of the word “tuhao” seems to reflect the fact ___小题9:___ , in current Chinese society, many people laugh at ___小题10:___ with wealth, but are secretly jealous.

以下哪一个不是流行病学的特征（）

A.群体特征

B.以分布为起点的特征

C.以治疗疾病为主的特征

D.对比的特征

E.预防为主的特征

如图所示是静电除尘的原理示意图。关于静电除尘的原理，下列说法正确的是

A．金属管A接高压电源的正极，金属丝B接负极

B．B附近的空气分子被强电场电离为电子和正离子

C．正离子向A运动过程中被烟气中的煤粉俘获，使煤粉带正电，吸附到A上，排出的烟就清洁了

D．电子向A极运动过程中，遇到烟气中的煤粉，使煤粉带负电，吸附到A上，排出的烟就清洁了

人体重要的腺体胰腺，主要由外分泌部和胰岛细胞组成，其功能不同。下列叙述不正确的是（）

A.外分泌部不能合成胰岛素

B.胰岛细胞不能合成酶，能合成胰岛素

C.外分泌部细胞的分泌物通过导管输入十二指肠

D.胰岛细胞的分泌物直接进入血液

如果发现旅游者有旅伴，导游人员可通过平时与散客的交谈，从（）了解是否是家眷或朋友，不宜（）询问散客。