张静通过对儿童自尊结构的研究发现，儿童的自尊结构由外表、体育运动、能力、成就感、纪律、公德与助人等六个因素组成。 ( )
参考答案：错
课文内容填词根据所给的首字母在空格里填入所缺单词。（共5小题；每小题1分，满分5分） 注意：每个空格填1个单词。请将答案写在答题卡上相应题号的横线上。
小题1:Unfortunately, although van Gogh c____________ his whole being to painting, he received little reward for his effort.
小题2:The i____________ idea for our festival was hatched back in 1978, when it was known as the Utah/US Festival.
小题3: Bill Haley and the Comets then recorded “Rock Around the Clock”, which was a number one h____________ of 1995.
小题4:They make the a___________ that children spend too much time chatting and playing games instead of focusing on their school work.
小题5:These new ways of digging a___________ the pace of the London Underground’s development.
设二元函数z=f(xy，x2+y2)，且函数f(u，v)可微，则等于()。
A.A
B.B
C.C
D.D
等于()。