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【单选题】
下图中( )是前移式叉车。
A.
图片1.jpg
B.
图片2.jpg
C.
图片3.png
D.
图片4.png
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【单选题】According m Tim Holmes of Ford Europe, battery-powered cars
A.
will be the main transportation vehicles in the future.
B.
will not be the main transportation vehicles in the future.
C.
will be good to the environment in the future.
D.
will replace petrol-powered vehicles in the future.
【单选题】MS—DOS的存贮管理采用了()。
A.
段式存贮管理
B.
段页式存贮管理
C.
单用户连续存贮管理
D.
固定式分区存贮管理
【判断题】MS-DOS 的存贮管理采用了固定分区存储管理。
A.
正确
B.
错误
【单选题】According to the passage, any vacations from thinking should be taken ______.
A.
several times throughout the year
B.
during spring and fall
C.
during the summer
D.
as seldom as possible
【单选题】According to the passage, why was Bemardino Cirillo disappointed with the music of his time?
A.
It was not complex enough to appeal to musicians.
B.
It had little emotional impact on audiences.
C.
It was too dependent on the art and literature of his time.
D.
It did not contain enough religious themes.
【单选题】What often happens to adult children taking care of their parents according to Tim Casserly?
A.
They don't prepare enough for their own future.
B.
They attach great importance to their own savings.
C.
They inevitably ignore their children's needs.
D.
They become experts in issues of elderly care.
【多选题】中国目前被称作创业热土,主要是因为( )。
A.
创业活动活跃
B.
中国进入到科技起飞阶段
C.
投资活动活跃
D.
资金充足
E.
有利政策的大量出台
【单选题】铸造完成后关于铸件表面的处理,下列叙述不正确的是
A.
非贵金属铸件表面的氧化层多使用喷砂机进行表面清理
B.
贵金属表面氧化层多采用酸处理法,酸处理法是将铸件放入盛有稀HC1溶液的金属坩埚内加热处理直到近沸点,维持30min
C.
利用喷砂机喷砂时应经常转动铸件,使各个面都能均匀地接触清扫
D.
液体喷砂无粉尘污染,其压缩空气的压力应控制在7~8kPa,金刚砂的粒度80目左右
E.
若无喷砂机,钻铬合金可采取碱煮的方法对铸件表面进行清洗
【单选题】According to the conversation, Ruth calls Tim because she wants______.
A.
him to welcome the new students
B.
him to be a volunteer for the new students
C.
to see if he is free on weekends
D.
to help him with the textbook orders
【单选题】铸造完成后关于铸件表面的处理,下列叙述不正确的是
A.
非贵金属铸件表面的氧化层多使用喷砂机进行表面清理
B.
贵金属表面氧化层多采用酸处理法,酸处理法是将铸件放入盛有稀HCl溶液的金属坩埚内加热处理直到近沸点,维持30min
C.
利用喷砂机喷砂时应经常转动铸件,使各个面都能均匀地接触清扫
D.
液体喷砂无粉尘污染,其压缩空气的压力应控制在7~8kpa,金刚砂的粒度80目左右
E.
若无喷砂机,钴铬合金可采取碱煮的方法对铸件表面进行清洗
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