皮皮学，免费搜题
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搜题
【单选题】
()是中华民族兴国强国之魂,是实现民族复兴 不可或缺的精神动力A.
民族精神
B.
中国精神
C.
时代精神
D.
创新精神
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】A: I have an appointment to see Dr. Gram for a physical examination. B: ______.
A.
Could you come another time? Dr. Gram is not available right now.
B.
I'm afraid you've got to make another appointment.
C.
Dr. Gram is busy. She has just been. appointed Director of the clinic.
D.
Please have a seat. She is in surgery right now.
【单选题】(2013·北京，26)I have an appointment ________ Dr.Smith, but I need to change it.
A.
to
B.
off
C.
with
D.
from
【单选题】Shall we all drive to the party________ so we don’t get lost?
A.
together
B.
in convoy
C.
all at once
D.
in a convoy
【单选题】下列内容表述准确的是()。
A.
通信自由和通信秘密受法律保护
B.
通信自由和通信秘密受国家工商部门保护
C.
通信自由和通信秘密受邮政企业保护
D.
通信自由和通信秘密受国家司法机关保护
【简答题】阅读理解。 I had been to several doctors as a child, but I have a special place in my heart for Dr. Vincent. He was a Pediatric Cardiologist at UCLA back in 1971 who saved my life. I was eight years old at...
【简答题】比较同步通信和异步通信。
【单选题】I have an appointment ________ Dr.Smith，but I need to change it. (2013·北京，26)
A.
to
B.
off
C.
with
D.
from
【简答题】现代通信主要由卫星通信和________ 通信两种方式组成；通信卫星转发信号是通过 ________ 来实现的；图是通信卫星在赤道上空高的运行轨道上的图片，它与地球同步转动，则卫星相对地面是________________。
【单选题】I have an appointment（ ）Dr. Smith, but I need to change it.
A.
to
B.
off
C.
with
D.
from
【单选题】Shall we all drive to the party________ so we don’t get lost?
A.
all at once
B.
in convoy
C.
in a convoy
D.
together
相关题目：
【单选题】下列内容表述准确的是()。
A.
通信自由和通信秘密受法律保护
B.
通信自由和通信秘密受国家工商部门保护
C.
通信自由和通信秘密受邮政企业保护
D.
通信自由和通信秘密受国家司法机关保护