《公路工程水泥混凝土试验规程》中推荐的混凝土强度快速试验方法为______。 A．1

— Is your brother ______ at singing ?     

—No. But he really does _______ in dancing .

A．good; good

B．well; well

C．good; well

D．well; good

Eliza remembers everything exactly as if it _________ yesterday.

A．was happening

B．happens

C．has happened

D．happened

Computers will become more advanced and they will also become easier to use.Improved speed recognition will make the operation of a computer easier.Virtual reality(虚拟现实),the technology of (71) with a computer using all of the human senses,will also contribute to better human and computer (72). Other, exotic(奇异的) models of computation are being developed,including biological conputing that uses living organisms,molecular computing that uses molecules with particular (73),and computing that uses DNA,the basic unit of heredity(遗传),to store data and carry out operations.These are examples of possible future computational platforms that,so far,are limited in abilities or are strictly (74). Scientists investigate them because of the physical limitations of miniaturizing circuits embedded in silicon. There are also (75) related to heat generated by even the tiniest of transistors.

（71）处填（）。

A．interact

B．interacting

C．communicate

D．using

什么是楞次定律？如何应用？

SY/T5087中应急响应要求，当井喷失控时，按下列哪些应急程序立即执行？（）

A.由现场总负责人或其指定人员向当地政府报告，协助当地政府作好井口500m范围内的居民的疏散工作，根据监测情况决定是否扩大撤离范围；

B.关停生产设施；

C.设立警戒区，任何人未经许可不得人内；

D.请求援助。