2012年10月11日，中国籍作家莫言获诺贝尔文学奖，由此引发了海内外的“莫言‘热”。莫言说，他的写作手法受国外魔幻现实主义代表作家的影响，同时作品的艺术风格又深受故乡的泥塑、剪纸、扑灰年画等民间艺术的影响。正是这种独具特色的文学魅力，拨动了世界各国人民共鸣的心弦。莫言作品的文学魅力在于

①借鉴了世界优秀文化的成果    ②汲取了本民族传统文化的精华

③展示了世界文化的多样性     ④实现了不同文化的和谐发展

A．②③④

B．①③④

C．①②③

D．①②④

In the following essay, each blank has four choices. Choose the best answer and write down on the answer sheet.
Spread spectrum simply means that data is sent in small pieces over a number of the (16) frequencies available for use at any time in the specified range. Devices using (17) spread spectrum(DSSS) communicate by (18) each byte of data into several parts and sending them concurrently on different (19) . DSSS uses a lot of the available (20) , about 22 megahertz(MHz).

A．direct-sequence

B．discrete-sequence

C．duplicate-sequence

D．dedicate-sequence