Which is not considered to be the three main communication links?
A. The incoming navigation signal from GPS satellites
B. One or more signals to notify other aircrafts
C. A two-way link
D. A wireless tether
查看答案
Which one is an appropriate way to end a summary?
A. This paper deals with...
B. This article focuses on the topic of...
C. This essay presents knowledge that...
D. The author suggests...
How to condense sentences?
A. Use phrases.
B. Use a general term.
C. Use the third person pronoun.
D. All of the above.
How many steps are there when you write a summary? What are they?
A. One. Reviewing.
B. Two. Reviewing and writing.
C. Three. Reviewing, writing and revising.
D. Four. Reviewing, writing, revising and reread.
How can you get the meaning of the transferred vocabulary?
A. Consulting the dictionary.
Based on the basic meaning of the vocabulary.
C. Based on the context of the sentence.
D. All of the above.
微信支付 
支付宝支付