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【单选题】
运行以下代码 >>>student={“name”:{“”},“score”:[67,89]} >>>student["score"][0] 的值为_____。A.
67
B.
67,89
C.
[67,89]
D.
89
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举一反三
【单选题】短波通信中,当船舶处于静区时,岸台常采用_____方法试图与船台建立通信。 (130668:第7章 地面通信系统与业务) (A-0,B-0,C-0,D-0,错误-0) A.、降低频率
A.
、升高频率
B.
、降低功率
C.
A+C
【单选题】What does Carmela Velazquez mean when she says, “The farmers we’ve trained will become models for all our growers”?
A.
The farmers will go on TV to talk about what they learned from her.
B.
More farmers will adopt the habits that were taught to the other farmers.
C.
Both farmers and growers will now work together to assure food safety.
D.
Farmers need to listen to the growers to learn and decide what works for them.
【简答题】完形填空。 Long ago, in a small village of Wakefield lived two farmers, Harry and Peter. Harry was very hard. working while Peter was 1 . Every day Harry got up early and came home late, but Peter walked a...
【单选题】What does Carmela Velazquez mean when she says, “The farmers we’ve trained will become models for all our growers”?( Text 3A)
A.
The farmers will go on TV to talk about what they learned from her.
B.
More farmers will adopt the habits that were taught to the other farmers.
C.
Both farmers and growers will now work together to assure food safety.
D.
Farmers need to listen to the growers to learn and decide what works for them.
【简答题】You’ve probably heard of working dogs that help police officers, or horses that help farmers. Did you know that carrier pigeons（信鸽）can be trained to help people too? Here are some examples. Mailman Ca...
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