提高传动链精度的方法是缩短传动链长度和提高各传动件的装配精度，提高各传动件装配精度的

根据句意、单词或汉语注释，在空格内填入适当的单词。

小题1:How many ___________(业余爱好) do you have?   Only one.

小题2:It is going to rain this afternoon. You should take an _____________(雨伞) with you.

小题3:Daniel is _____________(有礼貌的). All his classmates and teachers like him.

小题4:I often have lunch with my friends in a small ________________(餐馆).

小题5:My sister and I are in the same school but we are in different ___________(年级).

小题6:Tom often does some _____(shop) with his mother on Saturday.

小题7:There are many new comic books on the ________(teacher) desk.

小题8:My grandfather has two old _______ (radio). I want to buy a new one for him.

小题9:Millie is a kind girl. She is always ______(help) to others.

小题10:--Do you know those football __________ (play)?  --Yes, they’re my friends.

拉紧皮带，减轻皮带负荷不能解决皮带打滑，速度慢，拉不动的现象。（）

心理治疗理论发展的趋向是（）

A.精神分析理论

B.行为主义

C.人本主义

D.通用理论

E.认知理论

英国哈格里夫斯发明了珍妮机，其动力是　 　　　　　　[ ]

A．蒸汽

B．人力

C．水力

D．自然力

房地产公司收取的违约金、更名费是否缴纳土地增值税？