线虫性病害的主要危害特征有哪些？

A、气流传播

B、土壤传播

C、介体昆虫传播

D、雨水传播

E、人为传播

Complete the dialogues. I always read a paper at the weekend.~ But do you read all of it 1 Did you ____ TV last night ~ Yes, I ____ aprogramme about dogs. 2 I read the story but I don’t ____ it’strue. ~ No, ____ of it is true. It’s all false. 3 Have you heard the ____ ~ No, what’s ____ 4 Did you ____to the radio this morning ~ Yes, I ____ the 8 o’clock news. 5 What’s in the ____ this morning ~ I don’t know; I never buy one. 6 Have you seen the weather ____ ~ Yes, it’sgoing to rain. 7 What did you ____ on TV ~ Oh, nothing ____.

The corn powder with two other things _______ wter to mkell kinds of good.re mixed with B．isThe corn powder with two other things _______ wter to mkell kinds of good.re mixed with B．is mixed with C．re mixed by D．is mixed by

A．are mixed with

B．is mixed with

C．are mixed by

D．is mixed by

Chrlie Chplin is considered ________ gret contribution to the film industry.to mke B．mkingChrlie Chplin is considered ________ gret contribution to the film industry.to mke B．mking C．to hve mde D．hving mde

A．to make

B．making

C．to have made

D．having made

People from all over the world make friends_____66____writing letters. One way to find a pen friendPeople from all over the world make friends_____66____writing letters. One way to find a pen friend is to _____67____a club. International Pen Friends started in 1967 and has over 300,000members（） in different countries. Their____68___member is eight years old, and their oldest member is over 80. Some people write to find out about life in another country, ___69___want to practice their English, or enjoy their hobbies. Stamp collectors, for example, write to people in different countries ___70__that they can collect the stamps on the letters they receive. Most people just enjoy making friends, and they invite their pen friends to visit them.