未经干燥的生球在高温下会开裂或爆裂，产生很多（）。_爱下问搜题

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问题填空题

未经干燥的生球在高温下会开裂或爆裂，产生很多（）。

答案

参考答案：粉末

单项选择题

低钾血症伴低镁血症时，应该（）

A.单纯补钾，不补镁

B.补镁后补钾

C.单纯补镁，不补钾

D.不做特殊处理，监测即可

E.大剂量补钾

完形填空

On receiving my learner driver license a couple of months ago, I started driving lessons straight away. In New Zealand, the __33__driving age is 15.
However it wasn’t __34__ two days ago that Dad finally allowed me to drive on the motorway. Our __35__ was Orewa, a seaside town about 60 kilometers away from my home in Auckland. That morning I __36__ sure I had enough to drink and went to the toilet (厕所) about three times __37__ we left. I thought I was totally __38__ for the journey, but nothing could have prepared me for my family’s __39__. "Relax! Don’t hold the steering wheel(方向盘) so __40__. The car is going zigzag (弯弯曲曲的)," called a nervous voice from the __41__. "Speed up. 70km/h isn’t fast enough. You are holding up the traffic," another voice ordered from the seat next to mine.
How __42__ ! My parents were really starting to get on my nerves. To satisfy them I sped up and within a second, an angry voice began to yell again. "Stop! __43__! Are you crazy? ” Everything did not go fine until I pulled off the motorway and drove into the city, __44__ the speed limit was only 50km/h.
My family seemed relieved (放心的) and __45__ telling me what to do. They all looked out of the windows and enjoyed the scenery . __46__, that silence didn’t last very long. My mum suddenly cried out, "Look at those birds above us. __47__ they lovely?"
How did she expect me to look up in the __49__? As the driver I had to __48__ . Who knows what would have happened if I had taken my eyes off the __50__? Four hours later we drove home. This time the journey was much __51__ than before as everyone else __52__ fast asleep. So, I just took my time and enjoyed the drive.

A．destination

A．disappointed

B．encouragements

A．interesting

B．concentrate