不属于咀嚼肌的是
A．咬肌
B．翼内肌
C．翼外肌
D．颞肌
E．颊肌
参考答案：E
狗属于哺乳动物，下面哪项不是狗和某些哺乳动物共有的特征（ ）
A．体表被毛
B．体温恒定
C．胎生 哺乳
D．气囊发达
Green economy offers a new model ________ people could both protect the climate and develop the economy, according to what Li said at the International Cooperative Conference on Green Economy and Climate Change.
A．how
B．why
C．where
D．which
