【单选题】1 7.How can a radio operator determine the best frequency band to choose for a telex transmission to a shore station?
A.
By consulting propagation tables.
B.
If static interference is present, try lower bands first.
C.
Listen to shore station "free signals";choose the band with the strongest.
D.
During nighttime, choose highest frequencies. Choose Iower frequencies in the daytime.
【多选题】超生理剂量的糖皮质激素除影响物质代谢外,其作用还包括()
【单选题】Why did the TV organizers choose actors to join the band?
A.
Because actors could sing better.
B.
Because the actors could play jokes to attract the audi ence.
C.
They couldn't find musicians good enough at first.
D.
They wanted to be different from others.
【判断题】面对具体的工作任务时,大脑思维从“不可能”转变为“我怎样才能”时,就算养成了积极思维的好习惯。()
【单选题】Fast Reading Read the text (P34) carefully and choose the best answer. 1. Honestly, many people want to form a band to ______ .
【简答题】Questions 11-14 Choose the correct letter, A, B or C. (注意,请采用大写字母填入正确选项,格式不当会导致误判) 11 The next at the hotel will be a A trade fair B wedding C party 12 The number of guests will be A less tha...
【单选题】Choose the band-to-colour assignment (A, B or C, D) that fits true colour composite.
B.
R,G,B => TM2, TM 3, TM 1
C.
R,G,B => TM 4, TM 3, TM 2
D.
R,G,B => TM 3, TM 2, TM 1
【简答题】Section C, Listening Comprehension, Band 6 Section C Directions: In this section, you will hear recordings of lectures or talks followed by some questions. The recordings will be played only once. Aft...