下列词语注意完全正确的一组是()(3分) A.搓捻(liǎn)嘹亮(liáo)小

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问题:

下列词语注意完全正确的一组是(   )(3分)

A.搓(liǎn)亮(liáo)小心翼(yì)

B.分(qí)别(juè)为一谈(hùn)

C.尬(gān)杂(cáo)停不前(zhì)

D.迁(xī)繁(yǎn)期期艾(ài)

考点:重音字音
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小明8岁,小方7岁,小红5岁,小兰和小明同岁,他们的平均年龄是7岁.______.

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如图所示,斜面长为3cm,高为1m,工人用400N沿斜面方向的力将重为840N的箱子推到车上。在这过程中

[ ]

A.有用功是400J,总功是840J

B.有用功是840J,额外功是400J

C.总功是1200J,机械效率是70%

D.有用功是400J,机械效率是70%

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与金黄色葡萄球菌毒力有关的因素()

A.形成血浆凝固酶的能力

B.特异性细胞糖类的存在

C.磷酸酶活力

D.耐药性

E.透明质酸酶

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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.

题型:选择题

大多数高血压病人受损脏器最为严重并占首位的是( )。

A.肾脏
B.脑
C.眼底
D.心脏
E.肝脏

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