大学英语四级阅读理解试题及答案.
Trees should not be pruned without a clear reason。Fortunately。there are only a few good reasons for pruning。Pruning involves removing overgrown or unwanted branches。It is important to note that inexperienced gardeners should avoid unnecessary pruning。as it can cau more harm than good.沙鸥翔集锦鳞游泳
The first reason for pruning is to achieve a desired shape or size。This can be done by getting the tree to the right height and encouraging the growth of small side branches。The branches can thicken the tree's appearance or give it a unique shape。Secondly。pruning can improve the tree's health。Diad or dead wood should be removed。as well as branches that rub against each other and cau wounds。To promote healthy growth。branches that block the centre and restrict air movement should also be removed.
杠铃卧推
陈长生的真正身世Note: No us formatting errors were found in the original text.
Pruning should be done to improve the shape of the tree and get rid of the small branches。It is not intended to make the tree grow taller or make the small branches thicker.
2.What is the risk associated with pruning?
A risk associated with pruning is that it leaves an open wound on the tree。which can make it susceptible to dia。There is a race een the healing process and the dia。and during this d。the tree is at risk.
3.How can gardeners ce the risk associated with pruning?
Gardeners can ce the risk associated with pruning by ensuring that the cut surface is smooth and clean。Roughness can slow down the healing process。After pruning。the cut surface should be allowed to dry for a few hours before painting it with a substance specifically designed for this purpo。which can be found in garden shops.
4.What should gardeners do if the cuts they make bleed?
If the cuts made during pruning bleed。it is impossible to paint them properly。However。bleeding is unlikely to occur during pruning and is usually without interference from the leaves.
Trees need proper care and n to remain healthy and vibrant。One common issue that can affect trees is overgrowth in the middle。which can be caud by a gardener allowing too many branches to grow in that area。This can lead to a lack of airflow and sunlight。which can weaken the tree and make it more susceptible to dia and pests.
Another factor that can impact a tree's health is exposure to wind。If a gardener does not protect the tree from strong winds。it can cau damage to the branches and trunk。making it more vulnerable to dia and inct ns.
To prevent dia from entering a tree's wounds。a special substance is often painted on the affected area。This not only helps to smooth out the wound but also acts as a barrier against harmful pathogens.
When it comes to pruning a tree。a good gardener knows to do so nally when necessary。This can involve trimming back overgrown branches or removing damaged ones。It's important to do this throughout the year rather than just in the winter。as it allows for proper growth and development.
The purpo of this passage is to provide practical n for pruning a tree。By understanding the factors that can impact a tree's health and the proper techniques for pruning。gardeners can help their trees thrive and remain healthy for years to come.
铁观音属于什么茶类On Thursday afternoon。Mrs。Carke got ready to go out by dressing up and taking her handbag with money and keys。She went to the over 60s Club。which was her regular Thursday outing。As an elderly woman living alone。this was a nice way to spend her time.
When she returned home at six o'clock。she immediately smelled cigarette smoke。This was strange to her since she never smoked。She was worried that someone had broken into her hou。so she checked all the doors and windows。However。everything was l
ocked and there was no sign of forced entry.
Mrs。Carke began to wonder if someone had a master key that could open her front door。She decided to stay at home the following Thursday to e if anything would happen。Nothing did。She started to think that someone might be watching her movements。
On the next Thursday。she decided to dress up as usual but instead of going to the club。she took a shortcut home。She entered her hou through the garden and back door。She ttled down to wait and e if anything unusual would happen.
c.she would have called the police immediately
d.she would have been prepared to defend herlf
3.When the front door bell rang。Mrs。Clarke was_______.爱因斯坦语录
a.outside of the hou
kickb.in the kitchen making tea
与书为友c.in the living room watching TV
d.in the bedroom taking a nap
4.What did Mrs。Clarke do when she saw the wire and hand through the letter-box?
>显现是什么意思
