在一根条形磁铁附近放置一根与磁铁形状完全相同的棒状物体XY后,其周围磁场磁感线的分布情况如图甲所示。将XY两端对调以后,磁感线分布情况未发生改变,如图乙所示。则棒状物体XY可能是 ( )
( ) ______ long is the Great Wall? A.What B. When C. How
( ) Daming is ______ America. A.visited B. visiting C. visits
选择正确的答句。 (1)How long is the Great Wall? (2)How old are you? (3)Can we walk along all of the Great Wall? (4)What is he doing?
读一读,选一选。 ( ) (1) What would `you like for breakfast ? ( ) (2) Do you like maths ? ( ) (3) How many pens are there in your bag? ( ) (4) How much is the plate ? ( ) (5) Let’s clean the classroom.
E.It’s 15 Yuan.
( ) I have a new . A. friend B. friends C. friendly