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问题 单项选择题

下列关于疱疹的描述中，哪项不正确：（）。

A.局限性高出皮肤的腔隙内含有浆液或血性液体的疱

B.病变常在表皮内或表皮与真皮之间

C.直径小于0.5cm的为小水疱，大于0.5cm的为大水疱

D.水疱多属湿热

E.血疱多为热毒

答案

参考答案：E

填空题

Today’’s lecture we’’ll center on the prehistoric people of Nevada Desert. Now most of these prehistoric desert people (36)______the countryside throughout the year. You might think that they’’re wandering aimlessly. Far from it, they actually followed the (37)______of carefully planned moves. Where they moved depended on where food was (38)______. Places where plants were ripening or fish were (39)______. Now often when these people moved, they carried all their (40)______on their backs. But if the journey was long, extra food and tools were sometimes stored in caves or (41)______rocks. One of these caves is now an exciting (42)______ site. Beyond its small opening is a huge underground (43)______. Even though the cave is very large. It was certainly too dark and dusty for the travelers to (44)____________. But it was a great place to (45)____________. And tremendous amounts of food supplies and artifacts have been found there.The food includes dried fish, seeds and nuts. The artifacts include stone spear points and (46)____________. The spear points are actually rather small. Here is a picture of some that were found. You can see their size in relation to the hands holding them.
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若x+
1
x
=2，则x2+
1
x2
=______．
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