Root rots are more common on older trees or trees which have sustained root or basal injury？

A.Mortality

B.Cull

C.Growth loss

D.Environment

Here list several tree diseases: phloem necrosis in elms dwarf mistletoes of the west white pine blister rust southern fusiform rust fomes root rots in eastern white pine ...... Search online for a standard academic paper on one of the above diseases, and evaluate its language based on the following questions: 1.Are the words formal or informal？ 2.Is the tone subjective or objective？ 3.Is the language concise or redundant？ 4.Is there any signposts？ 5.Is there any connectors in it？ Write down examples found in the paper to testify your evaluation.

What is the root of the problem？

A．Something has to do with genes.

B．Sleeping far less that they need.

C．Drinking more than they have intended.

D．An inability to regulate behavior. and control impulses.

A.It has more than one interface that is connected to the root network segment.

B.It is running RSTP while the elected root bridge is running 802.1d spanning tree.

C.It has a higher MAC address than the elected root bridge.

D.It has a higher bridge ID than the elected root bridge.

am a tailor, it will net be【C1】______convenient for me always to have to exchange the clothes I make for other goods or services. A doctor may went to buy a coat from me, but I may not need medical【C2】______so he will then have to find【C3】______else that I want, or look for another tailor who needs him.【C4】______money, the tax-collector would come back to his office with au extraordinary collection of【C5】______.

Considered as a【C6】______of storing up buying power, money has good and bad points. It can more【C7】______be kept a long time【C8】______such things as food, which rots, or buildings, which slowly【C9】______to pieces, or machines, which rust. It takes up very little【C10】______, and if you put it in a bank, it is as【C11】______as anything in this world can be.

But modern money has some very【C12】______disadvantages as a means of storing up buying【C13】______. In the old days, when money was in the【C14】______of geld and silver coins, the metal in each was really【C15】______the amount stamped on the coin. But the paper in modem paper money and even the metal in most modem coins are worth less than the【C16】______written on them.【C17】______, the buying power of modem money can change very greatly【C18】______a short time.

It has happened more than once this century that the buying power of a country's money has fallen to almost【C19】______in a few weeks,【C20】______many thousands of people with savings.

【C1】

A．in mm

B．by chance

C．at all

D．on average

A.This switch has more than one interface connected to the root network segment in VLAN 2.

B.This switch is running RSTP while the elected designated switch is running 802.1d Spanning Tree.

C.This switch interface has a higher path cost to the root bridge than another in the topology.

D.This switch has a lower bridge ID for VLAN 2 than the elected designated switch.