含草酸钙砂晶的药材为（） A．牛膝 B．巴戟天 C．白芍 D．苦参 E．防己

实用主义教育学的基本观点包括（ ）

A．以学科课程为中心

B．教育即生活

C．学校即社会

D．以儿童为中心

E．以教师为中心

连词成句。

1. is, She, a, university, student (.)

_________________________________________________

2. He, our, principal, is (.)

_________________________________________________

3. she, quiet, Is (?)

_________________________________________________

4. Who, lady, that, is, young (?)

_________________________________________________

—Where's your brother? I haven't seen him for several days.

—He ______ Tibet for holiday. [ ]

A. have been to

B. has gone to

C. went to

频敏变阻器是用于启动绕线式电动机的，不可用于启动鼠笼式电动机。

武汉工伤人员住院伙食补助费发放标准是多少？