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问题 配伍题 B1型题

患者肌肉疲劳、义齿容易脱位且咀嚼效率下降的原因是（）。
患者鼻唇沟变浅、颏部前突的原因是（）。

A.垂直距离恢复过大

B.垂直距离恢复过小

C.水平颌位关系记录错误

D.下颌前伸

E.下颌后缩

答案

参考答案：A,B,

完形填空

Without proper __1________(plan), tourism can cause problems. For example, too many tourists can crowd public places __2_________ are also enjoyed by the inhabitants(居民) of a country. If tourism creates too much traffic, the inhabitants will become __3________ (annoy) and unhappy. They begin to dislike tourists __4_______ to treat them impolitely. They forget how much tourism can help the country’s economy. __5_________ is important to think about the people of a destination country and ___6________ tourism affects them. Tourism should help __7________ country keep the customs and beauty that attracts tourists. Tourism should also advance the wealth and ___8_______ (happy) of local inhabitants.

Too much tourism can be a problem. If tourism __9_________ (grow) too quickly, people must leave other jobs to work __10________ the tourism industry. This means that other parts of the country’s economy can suffer.

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单项选择题

下列关于Down综合征的描述不正确的是

A.为最常见的染色体疾病

B.母孕期年龄越大，发生此综合征的可能越大

C.其特征为白皙的皮肤，淡黄色的头发，蓝色的虹膜

D.40％患儿有通贯掌，掌纹atd角>45°

E.约1／2患儿并发先天性心脏病
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