PR值是下列哪个网站用以衡量网页重要性的工具()。
A.百度
B.搜狐
C.搜狗
D.谷歌
参考答案:D
把下列英语准确译成汉语。
1. Where is the science museum?
2. Excuse me, is there a cinema near here?
3. What are you going to do after school?
4. How can I get to the hospital?
5. Turn left at the cinema, then go straight. It's on the left.
重型与轻型婴儿腹泻的主要区别点是()
A.每日大便次数达10余次
B.恶心、呕吐、纳呆
C.体温升高达37.5℃以上
D.水、电解质明显紊乱
E.粪便呈黄花汤样或水样