盆栽试验 pot experiment
元器件可变电阻（POT1、POT2）的封装是（）。
A:DIP B:VR1 C:AXIAL D:XTAL1
Mocha Pot的中文译名是（）
A:摩卡咖啡 B:咖啡壶 C:摩卡壶 D:加热器
There is a hole at the ______ of the pot.
A:base B:bottom C:ground D:basis
John broke the coffee-pot, so his parents have to buy ______.
A:the other one B:another one C:other one D:that one
Passage 3
| Even the newest gardener realizes that
plants die without water; what is not so well known is that plants die equally
decisively, though not so quickly, if they are overwate red. Beginners usually
decide to play it safe and keep their potted plants thoroughly wet. In
consequence, death by drowning is one of the commonest disasters to befall the
plants of a new horticulturist. Plants wither away if they don’t get enough
water, and this draws attention to their problem. A plant that has been slightly
underwatered so that it droops strikes terror into the heart of its new owner.
But it will, in fact, recover completely as long as rescue comes in time and the
process is not repeated too often. Overwatered plants, unfortunately, do not
give any such obvious signal; slowly they cease to thrive and the first visible
indication of serious trouble is a yellowing of the lower leaves. Unless the
overwatered pot soil is given a considerable period without water, during which
time the plant will continue to look wretched, it will suddenly collapse in
exactly the same way as the underwatered plant but with no chance of being
revived(复活)because the roots have rotted away. |
What does a new gardener usually decide to do to keep their potted plants alive ______.
A:Underwatering the plants B:Fertilising the pot soil C:Overwatering the plants D:Loosing the pot soil
Passage 3
| Even the newest gardener realizes that
plants die without water; what is not so well known is that plants die equally
decisively, though not so quickly, if they are overwate red. Beginners usually
decide to play it safe and keep their potted plants thoroughly wet. In
consequence, death by drowning is one of the commonest disasters to befall the
plants of a new horticulturist. Plants wither away if they don’t get enough
water, and this draws attention to their problem. A plant that has been slightly
underwatered so that it droops strikes terror into the heart of its new owner.
But it will, in fact, recover completely as long as rescue comes in time and the
process is not repeated too often. Overwatered plants, unfortunately, do not
give any such obvious signal; slowly they cease to thrive and the first visible
indication of serious trouble is a yellowing of the lower leaves. Unless the
overwatered pot soil is given a considerable period without water, during which
time the plant will continue to look wretched, it will suddenly collapse in
exactly the same way as the underwatered plant but with no chance of being
revived(复活)because the roots have rotted away. |
According to the text, which of the following plants might die without recovery ______.
A:Plants with their lower leaves yellowing B:Overwatered plants C:Underwatered plants D:Loosening the pot soil
现代教育技术考试试题七
