更多"do some washing."的相关试题:
[单项选择]There are robots all around us. Some do very complicated jobs like flying airplanes and driving subway trains. And some do one simple job.
When an automatic washing machine is switched on, water pours in. The machine waits until the water is hot before washing the clothes. It does this by "feedback". Information about what is happening is "fed back" into the robot to tell it what to do next.
Our eyes, ears and other senses are our feedback. They tell us what is going on around us. So robots are like people in two ways. They work and they have feedback.
But very few robots look like people. Many are hidden away. Robots control the temperature of our houses. We can set the controls to the temperature we want. The robot does the rest. Its feedback usually comes from a thermostat.
One kind of thermostat is a strip of metal which bends when it gets hot. At the right temperature, it bends just enough to work a switch. This turns off the heat. As the air around it
A. something loaded onto the machine
B. the hot water
C. information received
D. signals sent to the machine
[单项选择]Why do some
small companies
stay small
It is often assumed that if a small company fails to (0)..., it is because of external factors. So it may come as something of a surprise to discover that many small companies have only themselves to (19)... for their lack of growth. In fact, if you run a small business, you shouldn’t waste much time wondering whether you have (20)... to investment capital; still less, analysing fluctuations in (21)... exchange rates. You are more likely to (22)... the main barrier to greater success by looking in the mirror.
This is a conclusion that can be (23) ... from a recent study based on interviews with the owner-managers of 40 small businesses. The research makes the reason (24) ... : management behaviour, however well intentioned, is often the (25) ... of the problem. This was the overwhelming view (26) ... by the managers surveyed: the
A. admission
B. entry
C. access
D. entrance
