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【单选题】
蒸发自动测量传感器由超声波传感器和不锈钢圆筒组成。根据超声波测距原理,选用高精度超声波探头,对E601B型蒸发器内水面高度变化进行检测,转换成电信号输出。并配置温度校正部分,以保证在使用温度范围内的测量精度。它的测量范围为(),分辨率0.1mm,测量准确度()。
A.
0-100mm,±1.5%(0~+50℃)
B.
0-20mm,±0.5%(0~+50℃)
C.
0-50mm,±1.0%(0~+50℃)
D.
0-100mm,±2.0%(0~+50℃)
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举一反三
【单选题】Why were the provisions of the agreement relating to the property settlement set aside?
A.
Betty was an alcoholic.
B.
Betty was not lucid, sober, and fully capable of entering into agreement.
C.
Her judgment was completely impaired when she signed the agreement.
D.
Some evidence showed that Betty may have been incompetent to judge her rights and interests in relation to the agreement.
【简答题】The agreement is overseen by the Committee on Agriculture which reviews progress in the implementation of commitments, and is required to monitor the follow-up on the Ministerial decision relating to ...
【单选题】正常人精子浓度为
A.
≥15×109/L
B.
≥50×109/L
C.
≥60×109/L
D.
≥150×109/L
E.
≥100×109/L
【单选题】The ink is barely dry on the deal. But the agreement on China joining the World Trade Organisation is already making an impact on business in China. Analysts expect the deal to trigger a new wave of f...
A.
career direction and the changing world of work in China
B.
the positive influence of China's entry into WTO
C.
the demand of society after China's entry into WTO
D.
the importance of upgrading skills and qualifications in job hunting
【单选题】正常人精子浓度为:
A.
(10~50)×10^9/L
B.
(50~100)×10^9/L
C.
(60~120)×10^9/L
D.
(60~150)×10^9/L
E.
(100~150)×10^9/L
【单选题】According to the passage, before the agreement was announced Monday, the two sides had been bargaining for ______days.
A.
4
B.
5
C.
6
D.
7
【简答题】—According to the agreement, you must finish the work by this month. —Don’t worry. We’re trying hard and it           that long. A . hasn’t lasted  B . won’t last C . didn’t last  D . doesn’t last
【单选题】不属于安全管理在信息系统整个生命期阶段中的实施内容:
A.
人事管理
B.
.资产分类保护
C.
.试验
D.
.遵从
【单选题】听力原文:I've already mentioned to the director about the signing of the agreement three times this month. Each time he said he was ready, but nothing happens. (28)
A.
The director has already signed the agreement.
B.
The director has read the agreement for three times.
C.
The director is not in and cannot sign the agreement.
D.
The director is not ready to sign the agreement.
【单选题】Who has the final words on the agreement?
A.
The Russian Parliament.
B.
The Russian President.
C.
The Ukraine Parliament.
D.
The Ukraine President,
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