中频转接的测试有两个内容（） A.频率同步和通路净衰耗频率特性 B.频率同步和通路稳

默写古诗《望洞庭》。    最后两句诗的意思是：

最后两句诗的意思是：                                                                                                                           

当归具有的功效是（）。

A.补血止血

B.活血止血

C.止血润肠

D.补血止泻

E.补血活血

选择性叠合采用硅酸铝催化剂，进行叠合反应后的汽油辛烷值为（）。

A、90

B、93

C、97

D、90~93

For each blank, choose the best answer from the four choices and write down on the answer sheet.

It is claimed that Al applications have moved from laboratories to the real world. However, conventional von Neumann computers are (66) for Al applications, because they are de- signed mainly for numerical processing. In a larger yon Neumann computer, there is a larger ratio of memory to processing power and consequently it is even less efficient. This (67) remains no matter how fast we make the processor because the length of the computation becomes dominated by the time required to move data between (68) and memory. This is called the yon Neumann (69) . The bigger we build the machines, the worse it gets. The way to solve the problem is to diverse from the traditional architectures and to design special ones for Al applications. In the research of future Al architectures, we can take advantages of many (70) or currently emerging concepts. in computer architecture, such as dataflow computation, stack machines, tagging, pipelining, systolic array, multiprocessing, distributed processing, database machines, and inference machines.

（70）是（）

A.existing

B.new

C.used

D.old-fashioned

预防产蛋突然下降的措施？