特发性血小板减少性紫癜作骨髓检查的主要目的是（） A.观察骨髓增生情况 B.观察有无

Tom : Hi, Cathy. ___1__                                 

Cathy: I have to finish my project on the history of the Internet. What about you?

Tom : 2 If it’s fine, we’ll go camping. Would you like to join us?  Cathy: I’d like to, but the deadline for my project is next Monday.

Tom : What a pity!   3                                     

Cathy: Yes, please. Can you suggest any good reference books?

Tom : You may want to read Origins of the Internet and The Digital Future.

Cathy: I’m reading the two books.    4                        

Tom : Go to the Science Museum website, and you’ll find lots of up-to-date information.

Cathy: Good idea. Thanks for your help.

Tom :    5                                        

A．Never mind.

B．Don’t mention it.

C．Any other suggestions?

D．Will you come next time?E.it depends on the weather          F.Anything I can do for you G.What are you up to this weekeed?

男性，42岁。劳累时心悸、气短2年，腹胀、尿少3天。心电图示心房颤动，心室率110次/分；胸部X线示心胸比值65%，肺淤血。有助于该患者诊断的辅助检查是（）。

A.心电向量图

B.超声心动图

C.心导管检查

D.心电图运动负荷试验

E.心脏核素检查

教学评价是一种系统化的持续过程，包括()。

A．确定评估目标

B．搜集有关的资料

C．描述并分析资料

D．形成价值判断

E．作出决定

______特性是房地产最重要的一个特性，也是房地产区别于其他财产的主要之处。

A．不可移动
B．独一无二
C．相互影响
D．易受限制

下列食物中碱性最强的是（）

A.苹果

B.牛奶

C.鸡蛋清

D.番茄