标定氢氧化钠溶液时,邻苯二甲酸钾中含有少量邻苯二甲酸,判断对其结果的影响()。A.正

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问题:

标定氢氧化钠溶液时,邻苯二甲酸钾中含有少量邻苯二甲酸,判断对其结果的影响()。

A.正误差

B.负误差

C.对准确度无影响

D.不确定

考点:水质检验工考试水质检验工考试题库
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After its (1) to the (2) in 2001, China has taken steps towards opening up its (3) . As a condition for joining the WTO, China (4) itself to a (5) of trade liberalization, including the reduction of tariffs on cars and agricultural products. These tariffs reductions are both (6) and there is (7) for China to (8) at a faster pace.
A (9) of (10) and a more rapid and profound reduction of import tariffs would (11) of those Chinese consumers who would (12) imported products at lower prices. Second, a higher (13) into China would take away much upward pressure on the Renminbi and provide a true and lasting (14) to solving current global (15) . Indeed, even a modest (16) in the opening-up process would go a long way towards solving the problem.
The opening up of China’s markets to international competition should (17) deep reforms. Banks should be recapitalized, bad loans provisioned fully and state-owned companies’ runaway indebtedness (18) . Only when real progress in these areas is made should China begin to consider a reform to its (19) . Doing it any earlier would be highly (20) .

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绿色包装:有利于保护人类()的包装。

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眼睑基底细胞癌的特点,错误的是()

A.眼睑最常见的恶性肿瘤

B.肿物中心可出现经久不愈的溃疡,边缘隆起增厚,呈蚕蚀状

C.溃疡向深部和周围扩大,可破坏眼睑、结膜,也可累及眶内和鼻腔

D.手术切线需在肉眼肿瘤边界外4~5mm

E.易远处转移,大部分对放疗不敏感,对化疗敏感,术后应常规联合化疗

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女性,45岁,偶然发现左 * * 肿块,直径约3cm,质较硬、无压痛,与皮肤有少许粘连。左侧腋下可扪及1cm大小肿大的淋巴结。

要进一步进行的检查是()

A. * * 钼靶X线摄片

B. * * 热像图

C. * * 肿块穿刺活检

D. * * 肿块切除活检

E. * * 红外线扫描

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施工项目经理部应依据项目施工成本计划,在对施工成本实际值与计划值进行比较的基础上进行( ),这一步是施工成本控制工作的核心。

A.预测

B.分析

C.检查

D.核算

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