以下关于建造师管理制度的说法中，正确的是( )。 A．未经注册，即使取得建造师执业

You’d better go there by train. The train ticket is  ________ the plane ticket.

A．as cheap three times as

B．as three times cheap as

C．three times cheaper than

D．cheaper three times than

哪项不属于小儿糖尿病的护理诊断

A．便秘
B．排尿正常
C．酮症酸中毒
D．营养失调
E．有感染的危险

The major problem with E-mail is that it is (71) easy to use that people can become (72) with messages (73) they can possibly answer in a day. In addition, mail boxes require some management to (74) messages or archive those that might be required later. Senders don’t always know about your E-mail backlog and often send (75) messages.

A. more thanB. than C. that D. which

注册商标的有效期为10年，自核准注册之日起计算。

广义相对论和量子力学在哪个地方发生了严重的冲突？（）

A、宇宙大爆炸

B、核聚变

C、黑洞的奇点

D、超导