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【单选题】
具有被动扩散的特征是A.
消耗能量
B.
有结构和部位专属性
C.
由高浓度向低浓度转运
D.
借助载体进行转运
E.
有饱和状态
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举一反三
【单选题】高血压患者长期训练后可以降低血压,关于其机制说法错误的是
A.
调整自主神经功能
B.
降低外周阻力
C.
增加血容量
D.
血管运动中枢适应性改变
E.
纠正高血压危险因素
【简答题】全年一次性奖金计算公式为:应纳税额=( )×适用税率-速算扣除数。
【简答题】计算： （1）（-3）×（-9）+8×（-5）； （2）-2 2 +（-2） 3 ×5-（-8）÷（-2） 2 ．
【单选题】设集合 M={2,5,8},N={5,6,8},则M ∩ N= 1 {5,8} 2 {6} 3 {2,5,6,8} 4 {2,5,6}
A.
① {5,8}
B.
② {6}
C.
③ {2,5,6,8}
D.
④ {2,5,6}
【简答题】Some people argue that pressures on international sportsmen and sportswomen kill the essence of sport-the pursuit of personal excellence. Children kick a football around for fun. When they get older a...
【单选题】2 设集合M={2,5,8},N={5,6,8},则M ∪ N= 1 {8} 2 {6} 3 {2,5,6,8} 4 {2,5,6}
A.
① {8}
B.
② {6}
C.
③ {2,5,6,8}
D.
④ {2,5,6}
【简答题】Yet many scientists are clearly unwilling to acknowledge that the interests of humanity are authentically served only when scientific knowledge is joined to a truthful conscience, and the pursu...
【单选题】Yet many scientists are clearly unwilling to acknowledge that the interests of humanity are authentically served only when scientific knowledge is joined to a truthful conscience , and the pursuit of ...
A.
认知
B.
良心
C.
负疚感
【单选题】Yet many scientists are clearly unwilling to acknowledge that the interests of humanity are authentically served only when scientific knowledge is joined to a truthful conscience, and the pursuit of s...
A.
originally
B.
indeed
C.
basically
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