赋予细胞抵抗机械张力的细胞连接是（）。
A.紧密连接
B.锚定连接
C.间隙连接
D.以上都是
E.以上都不是
参考答案：B
Nobody but doctors or nurses and those ________ by Dr. Hun ________ to enter the patient's room. [ ]
A. invited; is allowed
B. are invited; are allowed
C. being invited; allowed
D. invited; are allowed
教师的（）应该表现在具有教育教学所需的专业的知识和能力。
