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【简答题】

Ostriches(鸵鸟) have been said to be so stupid that they react to er by burying their heads in sand. This belief caused the popular phrases to be born: play the ostrich. It’s often used to describe people 小题1:________ refuse to face painful facts. They prefer to ignore the truth. It is like children sticking their fingers in the ears 小题2:________ crying, “I can’t hear you!”
But do ostriches really bury their heads in sand when they are in er? The answer is no for sure! 小题3:_______ ostriches are flightless(不会飞的) birds, they can run as fast as 40 miles per hour. So, if they find 小题4:_______ in er, they will run very fast.
It’s a false statement we’ve thought of as 小题5:________ truth for long. So, how did the phrase “play the ostrich” come from? Well,小题6:______ fact, ostriches swallow sand and pebbles(鹅卵石) to help grind(磨碎) food in their stomachs. This means they have to bend 小题7:_______ and put their heads into sand to collect pebbles. That’s 小题8:_______ a false statement was born

题目标签:卵石磨碎
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参考解析:
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举一反三

【单选题】其他条件相同,用卵石制配的混凝土比用碎石制配的混凝土( )。

A.
流动性低,强度高
B.
流动性高,强度低
C.
流动性低,强度低
D.
流动性高,强度高

【单选题】磨碎和腐熟胃中的食物,为消化作准备的培根是( )。

A.
能依培根
B.
能化培根
C.
能味培根
D.
能足培根
E.
能合培根

【多选题】下列关于卵石进场复验组批的描述,合理的是()。

A.
当质量比较稳定,进料量较大时,可以l000t为一验收批
B.
以同一产地、同一规格每400m³或600t为一验收批,不足400m³或600t也按一批计
C.
每一验收批取样三组
D.
每一验收批取样一组案例题