2岁以下小儿肌内注射以选用臀中肌、臀小肌处注射为准。

阅读理解并判断正(√)误(×)。

      I have a good friend. His name is Tom. He is in a school in England. He goes to school from Monday to

Friday. He likes basketball very much. He can speak a little Chinese. But he can't write in Chinese. He often

writes to me in English. He knows a lot about China. He wants to come to China very much.

( ) 1. Tom is a good friend of mine.

( ) 2. Tom studies in England.

( ) 3. Tom speaks Chinese very well.

( ) 4. Tom doesn't like basketball.

( ) 5. Tom studies at school five days a week.

ATOX50立磨配备的选粉机静叶片有（）块，叶片间隙应控制在（）。CK450磨配备的选粉机静叶片有（）块，挡料环厚度为（）mm。

有利于诊断风湿热的主要表现是（）

A．发热 

B．关节痛 

C．皮下结节 

D．ASO增高 

E．血沉增快

十进制数39转换成无符号二进制整数是______。

A．100011
B．100101
C．100111
D．100011

对于影响、危害古树名木正常生长的生产、经营、生活设施或建筑物，由古树名木行政主管部门责令（）限期采取措施，消除影响和危害。

A.所有权人

B.实际管理人

C.所有权人或实际管理人