中国营养学会发布的《中国居民平衡膳食宝塔》中包含了我们每天应该吃的主要食物种类，他们

By using (26) , a 600M -byte music CD can be compressed to 50M bytes or less. It can be streamed (downloaded in chunks) so that you can begin listening to the opening bars while the (27) of the file arrives in the background. And, most important, the music files of this kind retain good listening (28) that earlier (29) schemes lacked. That (30) of features makes accessing and distributing music on the web practical for the first time.

A．JPG

B．MP3

C．MP4

D．VOD

* * 检查下列不正确的是（）

A.触痛提示炎症或囊性病变

B.一个硬的无痛性不规则小结节是癌肿的特征

C.脂肪坏死可产生 * * 变形或内陷

D. * * 内翻经常是异常的

E.多发性结节提示良性囊性病变

Can you tell me _____ the Olympic Village? [ ]

A. how I can get to

B. how can I get to

C. where I can get to

D. where can I get to

Важно не то,______ сделает доклад, а то, каким будет этот доклад.

A．что

B．чтобы

C．кто

D．который

混凝土外加剂的总碱量指标要求（）

A.应在生产厂所控制范围内

B.应控制在D±0.02

C.不超过生产厂控制值

D.应控制在0.90S～1.10S