Two factors weigh heavily against the effectiveness of scientific research in industry. One is the general atmosphere of secrecy in which it is (21) , the other the lack of freedom of the individual research worker. (22) any inquiry is a secret one, it naturally limits all those engaged in carrying it out (23) effective contact with their fellow scientists either in other countries or in universities, or (24) ,often err)ugh, in other departments of the same firm. The degree of secrecy naturally (25) considerably. Some of the bigger firms are (26) in researches which am (27) such general and fundamental nature that it is a positive (28) to them not to keep them secret. (29) a great many processes depending on such research am sought for with complete secrecy (30) the stage at which patents can be (31) . Even more processes am never patented (32) but kept as secret processes.
A. In so far as
B. For all that
C. Just as
D. As far as

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[单选题]【42074】运行中的电压互感器，为避免产生很大的短路电流而烧坏互感器，要求互感器（）。 ( )
A.必须一点接地
B.严禁过负荷
C.要两点接地
D.严禁二次短路

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[多项选择]某城市主干道原为单向三条机动车道，宽度为12m。为缓解交通拥挤拟采取下列措施，哪些是可行的( )
A. 在可能的情况下加宽该条道路
B. 将该路单向三车道划为单向四车道
C. 采用交通管理措施增大该路的通行能力
D. 通过全路网的改造分流该路的交通量
E. 将该全路改为机动车单向行驶

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[多选题]单面吊装时,抱杆倾斜不宜超过();双面吊装时,抱杆两侧的荷重、提升速度及摇臂的变幅角度应()。
A.10°
B.15°
C.基本一致
D.增大

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[单项选择]I see four kinds of pressure working on college students today: economic pressure, parental pressure, peer pressure, but self-induced pressure.（）
A. and
B. or
C. nil
D. with

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[单选题]某时刻电池剩余容量为60Ah，已知其额定容量为80Ah，则此刻该电池的SOC是（）。
A..6
B..8
C..75
D..25

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[判断题]和谐电力机车电制动时，牵引电机作为发电机运行，逆变单元此时作为整流器，整流单元此时作为逆变器，将发电机的电能反馈到接触网中。
A.正确
B.错误

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[单选题]架空线路不同材料,不同规格,不同绞向的导线在同一档距内只允许有( )个接头。
A.0
B.1
C. 、2
D.3

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[单选题]《城镇燃气设施运行、维护和抢修安全技术规程》CJJ51－2006规定：压缩机房、烃泵房燃气泄漏时，应立即切断气源、电源，开启( )。故障排除后方可恢复供气。
A.门窗或室内防爆风机
B.放散管路
C.室内防爆风机
D.门窗或放散管路

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[填空题]1.上报应急信息时，遇时间紧急或情况不明时，可以先以（）速报。再书面详报的方式报送。(应急处置-《应急管理工作管理办法》西铁办函〔2016〕389号）

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[单项选择]（）通常称为“动碰复核”，即保管员在发货时，对出动货垛立即轧点余数，并与货卡的结存数“碰平”。
A. 循环盘点
B. 日常盘点
C. 定期盘点
D. 临时盘点