轮状病毒感染引起的临床症状是
A．高热B．头痛C．腹泻D．寒战E．腹痛
参考答案：C
解析：轮状病毒引起急性胃肠炎，以腹泻为主要症状。
So convenient _______ to pay by credit card that more and more people apply for their credit cards.
A．do people find
B．people find it
C．find people
D．do people find it
标石、标桩和宣传牌油漆、描字每年（）
A.1次
B.2次
C.4次
