面部最粗的肌肉是（）
A.咬肌
B.翼内肌
C.翼外肌
D.颞肌
E.咀嚼肌
参考答案：A
—When _____ the Capital Museum _____?
—In 2005. It's been one of the symbols of Beijing from then on.[ ]
A. is; built
B. has; been built
C. will; be built
D. was; built
以下哪项不属于教材的内容?（）
A．视听材料
B．参考书
C．幻灯片
D．课外活动
