设计中频数字化接收机为了______。 A.提高雷达的动态范围。 B.提高雷达的观测精度。 C.提高雷达的噪声系数。
设计中频数字化接收机为了______。
A.提高雷达的动态范围。
B.提高雷达的观测精度。
C.提高雷达的噪声系数。
设计中频数字化接收机为了______。
A.提高雷达的动态范围。
B.提高雷达的观测精度。
C.提高雷达的噪声系数。
第1题
After reading this story, we know the word "hamburger" comes from__________.
A.China because it has a long history
B.English because Germans don t speak English
C.English speakers because they love eating it
D.America because they give it that name
第2题
After reading this story, we know the word "hamburger" comes from__________.
A. China because it has a long history
B. English because Germans don' t speak English
C. English speakers because they love eating it
D. America because they give it that name
第3题
After reading this story, we know the word "hamburger" comes from __________.
A) China because it has a long history
B) English because Germans don't speak English
C) English speakers because they love eating it
D) America because they give it that name
第4题
The word "scan" in the second paragraph probably means______.
A. reading carefully
B. reading quickly and not word by word
C. reading by repeating some important words
D. reading more than one article at the same time
第5题
A.are reading
B.were reading
C.have been reading
D.had reading
第6题
A.are reading
B.were reading
C.have been reading
D.had reading
第7题
As an adult, I still love reading children ’s books. I like the works published by() press.
A、juvenilia
B、juvenile
C、youthful
D、young
第8题
Aid to Reading
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Jonathan Smithson, ON, Mexico.
"I love the product. I have already increased my reading speed by about 100 wpm. What a time saver! I have recommended it to anyone that talks about needing to read lots of material."
Steven Judd, Oklahoma, AUSTRALIA.
"I am a speed reading training instructor and have used Ace Reader myself for the past few years. I also recommend it to all of my students as the best speed reading software on the market. My kids use it and have seen speed increases and really love the word games. I highly recommend this program."
Pam Mullan, Red Creek, NEW ZEALAND.
"I teach speed reading and reading improvement; this is the second year I have used this program with my students. I find that the students who focus on the program increase their reading speed ... most double their speed, and some triple their speed. They enjoy the word games, as well. "
Deanna Fleck, Edmond, OK, USA.
What are all these people talking about?
A.Reading software.
B.A reading course.
C.A good service.
D.A class program.
第9题
A.gym
B.study
C.outskirts
D.spotlight
第10题
Reading from a manuscript. is necessary when ______.
A.the speech must be delivered word for word
B.the speech is very well-prepared
C.the speech is analytical
D.the speech is on radio and television
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