逆行尿路造影时，前 * * 显示较排泄性造影为宽。_爱下问搜题

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问题判断题

逆行尿路造影时，前 * * 显示较排泄性造影为宽。

答案

参考答案：对

问答题

“神舟”载人飞船由长征运载火箭发射，火箭与空气高速摩擦，会产生大的热，因此，科学家为此研制了可耐几千摄氏度的高温材料，另一方面还在火箭头部涂了一层特殊的材料，这种材料在高温下熔化并且汽化，能起到防止烧毁火箭的作用层这是因为： _________ ．

填空题

Sometimes people were traveling to look for rich farmland.
This is not to say________no one ever traveled just	1.________
for fun.Even in ancient times, some pleasure travel
o________. Once 700,000 tourists	2.________
________(拥挤) into the ancient city of Rome.	3.________
Why do people like traveling s________much?	4.________
Actually, traveling to sports events is one of the fastest
growing types________travel.In our fast developing	5.________
society________stress has become part of	6.________
people's life, people can relax by h________a	7.________
change of environment and activities. Another important
reason for traveling is to s________our curiosity	8.________
about different places and cultures. No one
________(似乎) to doubt that travel broadens	9.________
the mind. Travel to different countries is
________(激动人心).	10.________