| Milk was one of the main foods for
people long before history was written. Maybe (21)
will remain an important food as long as there are (22) that
give milk. The old word "milk" (23) Sanskrit(梵文), one of the
oldest (24) known to man. A very old picture of milking,
(25) was drawn five thousand years ago, has been
found. In the years long ago, people got their milk (26) their own animals. But (27) modern times new inventions made the milk industry(产业) a big business. (28) 1851 Gall Borden found a way to (29) some of the water out from milk. This made milk keep longer. Four years later, Louis Pasteur (30) a way to kill the bacteria(细菌) in milk. Then a special milk bottle was made. This was followed (31) the invent A. on B. in C. for D. at [名词解释]Ⅱ类电梯
[判断题]禁止在铁路桥梁跨越处河道上下游的下列范围内采砂、淘金：跨河桥长100米以上不足500米的铁路桥梁，河道上游500米，下游2000米。
A.正确 B.错误 [判断题]在电力系统中采用快速保护、自动重合闸装置、自动按频率减负荷装置是保证系统稳定的重 要措施。( )
A.正确 B.错误 [单选题]对于城市商业银行、农村商业银行、农村合作银行、村镇银行、农村信用杜、民营银行等地方法人银行业金融机构办理的延期期限不少于6个月的普惠小微企业贷款,人民银行通过货币政策工具,按照延期贷款本金的( )给予激励,激励资金总额控制在国务院批准的额度内。
A. 1% B. 2% C. 3% D. 4% [单选题]DFTO脱硝装置出口NOX控制浓度<（ ）mg/m3。
A.50.0 B.100.0 C.150.0 D.200.0 [判断题]伴热线投用时要防止“水击”对伴热管线及周围管线、设施造成损伤。
A.正确 B.错误 [单选题]绞磨卷筒的细腰部直径与钢丝绳直径之比不应小于（）。
A.8 B.9 C.10 D.11 [判断题]带电滤油时，所使用的设备外壳应有良好的接地，将变压器的气体继电器退出跳闸回路，改接信号回路。
A.正确 B.错误 [多项选择]属于外分泌结构的有（）
A. 腺毛 B. 油室 C. 分泌道 D. 蜜腺 E. 乳汁管 [单选题]根据Q/GDW 396—2009,建模时合并单元LD的inst名为( )。
A.MUSV B.RCD C.LD0 D.RPIT [单项选择]We cannot process your order ______ we have received the deposit mentioned in our mutually agreed contract.
A. while B. during C. until D. if 我来回答: 提交
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