设x为int型变量,请写出一个关系表达式______,用以判断x同时为3和7的倍数时

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问题:

设x为int型变量,请写出一个关系表达式______,用以判断x同时为3和7的倍数时,关系表达式的值为真。

考点:计算机等级考试C语言二级C语言笔试
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将14g硫在一定量的氧气中燃烧,记录如下数据:

分析数据,回答下列问题。

(1)在这三次实验中,第____次刚好完全反应;

(2)在第_____次实验中硫有剩余,剩余____g;在第_____次实验中氧气有剩余,剩余____g。若将剩余的硫在剩余的氧气中燃烧,可生成二氧化硫____g。

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出疹时全身症状减轻为

A.青霉素
B.红霉素
C.20%甘露醇
D.肾上腺皮质激素
E.西地兰

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由解放军总装备部军事医学研究所研制的小分子团水,具有高渗透力、高扩散力、高溶解力等特点。一次饮用125 mL小分子团水,可维持人体6小时正常需水量。下列关于小分子团水的说法正确的是

A.水分子的化学性质发生改变

B.水的物理性质改变

C.水分子间以共价键缔合

D.水分子中氢氧键长缩短

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Motivation is "the driving force within individuals that impels them to action." And goals are the sought-after results (1) motivated behavior.
Motivation can be either positive or negative (2) direction. We may feel a driving force toward some object or condition, (3) a driving force away from some object or condition. For example, a person may be impelled toward a restaurant to fulfill a need, hunger, and away (4) an airplane to fulfill a need of safety. Some psychologists refer to positive drives (5) needs, wants or desires, (6) negative drives as fears or aversions (7) , though negative and positive motivational forces seem to differ dramatically (8) terms of physical and sometimes emotional activity, they are basically similar in (9) they both serve to initiate and sustain human behavior. (10) this reason, researchers often refer (11) both kinds of drives or motives as needs, wants and desires.
Goals, (12) , can be either positive or negative. A positive goal is one toward (13) behavior is directed and it is often referred to as an approach object. A negative goal is (14) from which behavior is directed away and it is sometimes referred to as an avoidance object. Since both approach and avoidance goals can be considered objectives of motivated behavior, most researchers refer to (15) types simply as goals. Consider this example. A middle-aged woman may wish to remain (16) attractive as possible. Her positive goal is to appear desirable, and (17) she may use a perfume advertised to make her irresistible. A negative goal may be to prevent her skin (18) aging, and therefore she may buy and use face creams. (19) the former case, she uses perfume to help her achieve her positive goal -- attractiveness; in the (20) case, she uses face creams to help avoid a negative goal -- wrinkled skin.

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男,48岁,糖尿病12年,每日皮下注射人预混胰岛素治疗,早餐前30单位,晚餐前24单位,每日进餐规律,主食量350g。近来查空腹血糖13.6~14.8mmol/L,餐后2小时血糖7.6~8.8mmol/L。关于空腹高血糖

较为合适的处理是

A.调整进餐量

B.改用口服降糖药

C.加磺脲类降糖药物

D.胰岛素调整剂量

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