硬脑膜下出血的临床特点是()
A.多为产伤所致
B.惊厥,有局灶性脑征
C.可产生慢性硬脑膜下积液
D.多见于早产儿
E.以上都不是
参考答案:A, B, C
具有同质多晶型的栓剂基质是()
A.半合成山苍子油酯
B.可可豆脂
C.半合成棕榈油酯
D.吐温-60
E.聚乙二醇-4000
The Great Wall, its one end ______ to the east of Beijing, lies across North China.
A.extending
B.extended
C.extends
D.is extended