两个负数的和一定是[ ]
A．负数
B．非正数
C．非负数
D．正数
答案：A
The children were so excited that they could ____ speak. [ ]
A. nearly
B. almost
C. hardly
D. usually
对民俗旅游特征描述正确的是（）
A.广泛性和观赏性
B.神秘性和体验性
C.区域性和特色性
D.真实性和娱乐性
