皮皮学，免费搜题
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搜题
【单选题】
实验室存放化学品不得使用哪类冰箱?A.
机械温控冰箱
B.
电子温控冰箱
C.
防爆冰箱
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The tower was built ______.
A.
to guard the city
B.
for the people to see the sea
C.
as a church bell tower
【简答题】通信协议包括了通信过程的说明 , 规定了应当发出哪些控制信息 、 完成哪些动作以及做出哪些应答 , 并对发布请求 、 执行运作以及返回应答予以解释 。 这些说明构成了协议三要素中的 要素 。
【单选题】Most people believe that the greatest countries are those that ______.
A.
built the highest pillars
B.
were beaten in battle by the greatest number of other countries
C.
were ruled by the greatest number of conquerors
D.
won over the greatest number of other countries as conquerors
【单选题】The main topic of this passage is______.
A.
why people built castles and their structure
B.
castles' structure and the people who lived in them
C.
castles' structure and the life in them
D.
castles' structure and the eating habit in them
【简答题】A．He built new schools. B．He built public libraries. C．He asked people to read his book. D．He encouraged people to share their books.
【单选题】The People's Republic of China was established in 1949.
A.
founded
B.
started
C.
improved
D.
built
【单选题】When they built this office block, they gave no consideration to people in wheelchairs.
A.
wonder
B.
advice
C.
thought
D.
request
【单选题】Many people felt it was a pity that the ancient tower was and a modern building was being built. [ ]
A.
pulled off
B.
pulled down
C.
pulled up
D.
pulled in
相关题目：
【简答题】通信协议包括了通信过程的说明 , 规定了应当发出哪些控制信息 、 完成哪些动作以及做出哪些应答 , 并对发布请求 、 执行运作以及返回应答予以解释 。 这些说明构成了协议三要素中的 要素 。