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【多选题】
有关金属腐蚀与防护的叙述中正确的是
A.
黄铜(铜锌合金)制作的铜锣不易产生铜绿
B.
镀锡铁制品和镀锌铁制品的的镀层破损时,镀锡层的耐腐蚀
C.
在闸门上连接锌块保护闸门不受腐蚀是采用了牺牲阳极保护法
D.
银奖牌与硫磺混在一起会变黑是电化学腐蚀所致
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举一反三
【判断题】公畜刚射出的精子就具备了受精能力。()
A.
正确
B.
错误
【判断题】应聘者刚进来考官就直接切入面试不很合适。()
A.
正确
B.
错误
【单选题】下图是_____的使用示意图。
A.
救助吊座
B.
救助吊笼
C.
救助吊篮
【简答题】他弟弟刚上火车,火车就开动了。
【单选题】A没想到这场雨B说下C下了D起来。
A.
B.
C.
D.
【简答题】Hardly_____________________________ (他刚一进房间电话就响了).
【单选题】The conversation had been (carried on) chiefly (in French), a language (which) Jerry was (perfectly) acquainted.
A.
carried on
B.
in French
C.
which
D.
perfectly
【单选题】The French pianist who had been praised very highly______ to be a great disappointment.
A.
turned up      
B.
turned in       
C.
turned down     
D.
turned out
【简答题】天刚蒙蒙亮,一骨碌就翻身下了床,这是他从70年代就养成的习惯。洗漱后,他很得意地欣赏起昨天刚买的一双白网鞋。这是小时候哥们最喜欢穿的运动鞋。他今天又要去跑步了。跑步回来,一边听着“军港之夜”,一边刷牙。“中华牙膏的味道就是好。”想。该到食堂吃早餐了,品种很多,可是选来选去,还是选择了子。“这子也忒小了点,为什么不做成像读大学时的包子那样二两一个呢?那才够劲嘛!现在连包子都缩水了。”...
【单选题】What does the case of the old French polisher illustrate?
A.
More and more people have accepted that although they are old they have to learn new skills.
B.
Redundant workers have to learn new skills even though they are old.
C.
Sometimes people are too old to learn something new.
D.
People are never too old to learn something new.
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