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【单选题】
下列关于吸收制剂的特点的叙述,错误的是( )A.
主要起到局部作用
B.
给药方便
C.
可以消除或减弱血药浓度的峰谷现象
D.
可以减少给药次数
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【简答题】A．Leaving for New York. B．Flying back to the office. C．Visiting the new factory. D．Attending the Sales Meeting.
【单选题】开式齿轮传动的设计准则是______。
A.
按齿根弯曲疲劳强度设计，校核齿面接触疲劳强度
B.
按齿面接触疲劳强度，校核齿根弯曲疲劳强度
C.
按齿面胶合强度设计
D.
按齿根弯曲疲劳强度设计，并考虑磨损的影响，将模数适当增大
【单选题】____ forget to write back home as soon as you reach New York.
A.
Be sure to
B.
Not be sure to
C.
Be sure to not
D.
Be sure not to
【单选题】Russian-born Max Weber grew up in New York, studied art there, and then went back to Europe to familiarize himself with contemporary artistic developments, on returning to the United States, Weber wor...
A.
Cubism
B.
American Art
C.
Works of the National Gallery of Art
D.
An Innovative American Artist
【单选题】Though Professor Liu ____ in New York for seven years, he has never regretted moving back to Shanghai, his hometown.
A.
lived
B.
has lived
C.
had lived
D.
was living
【单选题】对称循环的交弯应力作用下，构件的疲劳强度条件为：【图片】；若按非对称循环的构件的疲劳强度条件，【图片】进行了疲劳强度校核，则 。
A.
（ A ）是偏于安全的；
B.
（ B ）是偏于不安全的；
C.
（ C ）是等价的，即非对称循环构件的疲劳强度条件式也可以用来校核对称循环下的构件疲劳强度；
D.
（ D ）不以说明问题，必须按对称循环情况重新校核。
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