题目内容

But, UNICEF spokeswoman, Claire Hajaj, tells VOA Iraq is still a __________and dangerous place.“Better ________does not mean secure. And, the second thing is as we see communities begin to open up because of greater_________, we can see the needs that may have been hidden for a long time.”

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UNICEF says Iraqi children frequently were caught in the ___________in 2007. It reports hundreds of children lost their lives or were injured by ___________and many more had their main family wage earner _________or killed. More than one million people are _________in Iraq. About one half of them are children. Lisa Schlein for VOA news Geneva.

4.在各种口腔黏膜中哪种黏膜下层不明显

A. 颊黏膜
B. 唇黏膜
C. 舌腹黏膜
D. 口底黏膜
E. 软腭黏膜

3.唇红部组织的特征是

A. 上皮无角化
B. 固有层结缔组织乳头狭长,含有毛细血管袢
C. 含有丰富的粘液腺
D. 偶尔会有皮脂腺
E. 含有明显的粒细胞层

2.口腔黏膜增龄变化描述哪项是错误的

A. 上皮萎缩变薄
B. 小涎腺发生萎缩
C. 丝状乳头数量增加
D. 叶状乳头增生
E. 黏膜感觉功能下降

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