疱疹性咽峡炎的特点是
A．发热
B．咽充血、咽疼
C．软腭有小疱疹
D．耳后淋巴结肿大
E．眼结膜充血
参考答案：C
100克脂肪燃烧比100克淀粉燃烧使30毫升0℃水温升得更高，由此请你推导，脂肪含的能量比淀粉含的能量______．
―Jim, can you _______ this word in Chinese?
—Yes, I can_______ a little Chinese.[ ]
A. speak; say
B. say; speak
C. tell; speak
D. talk; say
