化简:a+a+a=(),3x×y=()。

题型:填空题

问题:

化简:a+a+a=(    ),3x×y=(    )。

考点:方程的定义,等式的性质
题型:填空题

The nurse formulates a nursing diagnosis of Activity intolerance related to inadequate oxygenation and dyspnea for a client with chronic bronchitis. To minimize this problem, the nurse instructs the client to avoid conditions that increase oxygen demands such as the following

A. drinking more than 1,500 mL of fluid daily.
B. eating a high-protein snack at bedtime.
C. eating more than three large meals per day.
D. being overweight.

题型:填空题

女患者,43岁,月经紊乱一年, * * 出血月余,量忽多忽少,色鲜红,质稍稠,头晕耳鸣,腰膝酸软,舌红,少苔,脉细数。

若伴有失眠多梦,可酌加()

A.生龙牡

B.合欢花、枣仁

C.枣仁、柏子仁

D.五味子、夜交藤

E.远志、枣仁

题型:填空题

根据237×29=6873,直接写出下面各题的结果

(1)2.37×29=

(2)23.7×2.9=

(3)2.37×290=

(4)68.73÷23.7=

题型:填空题

男,22岁,有癫痫病史,检查见全口牙龈增生覆盖牙冠的1/2,袋深4~6mm,前牙有移位。

最可能与该患者牙龈增生有关的药物是

A.苯妥英钠

B.环孢素

C.硝酸异山梨酯

D.硝苯地平

E.四环素

题型:填空题

美国比较教育学家诺亚和艾克斯坦共同提出的重要比较教育研究方法是()

A.数理统计法

B.科学量化法

C.比较四步法

D.问题法

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