A: It is optional.
B: It is necessary
C: It is difficult to enforce
举一反三
- What does the feedback rule say about listeners?
- It was necessary that he about what had happened.
- What does Candidate A think will be difficult about this job?
- What are the band’s songs often about? A: their cultural traditions B: difficult situations they dealt with C: being happy and forgetting about problems
- Through what channels we can secure all the necessary information about a potential customer?
内容
- 0
What does “account for” mean?（ ） A: calculate B: give the necessary information about sth. C: explain D: be responsible for
- 1
According to the article we know it is ______ to prevent the forest from slowly disappearing. A: necessary but impossible B: necessary but difficult C: impossible and unimportant D: difficult and impossible
- 2
Which of the following questions are about the gist of the listening text? A: What’s the subject of the passage? B: What’s the man possibly going to do tomorrow morning? C: What are the speakers mainly talking about? D: What is the most difficult task according to the speaker? E: What’s the purpose of the passage? F: What advice does the speaker give about energy security?
- 3
It is difficult to ________ the success of the experiment at this stage. A: think B: talk C: messure D: rule
- 4
What is necessary when you prepare a presentation? A: Think about the purpose of your presentation. B: Think about the number of people who will attend your speech. C: Think about your dress. D: Think about the time limit of the speech.