以下哪个方法用于返回画布上的绘制上下文对象
A. getContext
B. getElementById
C. write
D. writeln
以下哪个方法用于指定渐变对象中的颜色
A. colorStop
B. addColorStop
C. addColor
D. color
太极拳动作特点是处处带有形，练习时也对身体和心理有要求，正确的答案是 ？
A. 正形、体紧、注意
B. 弧形、体松、心静
C. 随意、紧张、安心
[音频]
A. Most of the Chinese like playing badminton.
B. The game“badminton”was named after an Englishman.
C. Badminton came to the world sports stage in ancient times.
D. Wang, like John, is quite good at playing badminton.
E. Wang began to play badminton in primary school.
F. Americans like badminton, too.
G. Now badminton is played both for fun and for competition in America.
H. Wang’s father contributed a lot to the training of American badminton players.
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