教师专业发展其核心是教师的（   ）的丰富、更新和演进
A、专业知识
B、专业理念
C、专业结构
D、专业能力

单项选择题63 There are only ten apples left in the baskets, __ the spoilt ones.A not counting B not to count C don’t count D having not counted

单项选择题What didn 't Mr. Cousins do in his experiments with laughter?A.Watch funny TV shows.B.Read funny books.C.Sleep whenever he felt tireD.D.Take medicinE.