颈膨大损伤引起瘫痪的表现是（） A.双上肢痉挛性瘫，双下肢弛缓性瘫 B.四肢痉挛性瘫

下列抗高血压药物中，不适宜儿童高血压患者应用的是（）

A.缬沙坦

B.尼卡地平

C.氨氯地平

D.美托洛尔

E.依那普利

俯卧位的适用范围是()

A．会阴部检查

B．直肠镜检查

C．脊椎手术后

D．腰背部检查

E．配合胰胆管造影检查

根据句意或句子的语法要求，用括号中所给单词的适当形式填空。

小题1:In spring, we can see green            (leaf) and grass everywhere.

小题2:Mother Teresa was born in Macedonia, Europe. She was the          (young) of three children of the family.

小题3:You’d better go home to see your parents        (two) a week. They need more care.

小题4:The doctor advised me to eat          (healthy) and exercise a lot.

小题5:CCTV is starting a project            (call) “Looking for the most beautiful country teachers”.

小题6:—Mr Zhang, could I         (borrow) your dictionary?

— Yes, you can.

小题7:Many trees         (plant) in my hometown every year.

小题8:Miss Lee         (teach) us English since she came here three years ago.

磁盘机由6个盘片组成，其中专设1个盘面为伺服面，其他的盘面作为记录数据的盘面。盘存储区域内直径为6.1cm，外直径为12.9cm，道密度为22TPM，位密度为6000bpm，平均寻道时间为10ms，磁盘转速为7200RPM。假定π=3，试计算：

从任一磁道读取80000个字节数据的平均存取时间是多少

（）是汉语方言中分歧最大、语言现象最为复杂的一个方言。