【单选题】The words of color are very active in English, and the word “ green ” is commonly associated with different things. Discuss the meanings of the word “ green ” in the following sentences and find the r...
A.
nature
B.
freshness
C.
youth and inexperience
D.
jealousy and envy
E.
environmental protection
F.
safety and permission Nowadays people pay more and more attention to green travel. 填写选项的字母
【单选题】The words of color are very active in English, and the word “ green ” is commonly associated with different things. Discuss the meanings of the word “ green ” in the following sentences and find the r...
A.
nature
B.
freshness
C.
youth and inexperience
D.
jealousy and envy
E.
environmental protection
F.
safety and permission These vegetables are green , which taste delicious. 填写选项的字母
【单选题】Choose the word or phrase that is closest in meaning to the underlined part. The process gain of a system indicates the gain or signal to noise improvement exhibited by a spread spectrum system by the...
A.
by virtue of the spreading/dispreading process
B.
by processing the spreading/despreading naturally
C.
according to the spreading/despreading characteristics