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【判断题】
最筋率是指,当梁的配筋率 ρ 很小,开裂后,钢筋应力趋近于屈服强度,这时的配筋率称为最筋率 ρ min 。A.
正确
B.
错误
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【简答题】家用轿车、摩托车、自行车均为满足消费者出行的交通工具。请指出这三种产品生产企业间的竞争者类型是什么？为什么？
【单选题】45 If many older physicians stop working in the coming years, Americans will hae
A.
een less access to medical serices.
B.
een better patient care.
C.
a shortage of younger physicians.
D.
more job opportunities.
【单选题】Over the last five decades, life expectancy has increased globally by______ years.
A.
19
B.
45
C.
65
D.
5
【单选题】--- What’s your uncle like? --- He _____
A.
is tall and strong
B.
likes singing
C.
is 45 years old
D.
likes apples
【简答题】学习指导书P.126-P.127 P.129-P.130
【单选题】健美男性应该具有（）、健壮的体魄、匀称的体型、魁梧的身材、端正的姿态、潇洒的风度，以及发自心灵深处的勇敢无畏、坚韧顽强、刚毅果断的精神气质的阳刚之美。
A.
发展的肌肉
B.
清瘦的肌肉
C.
一般的肌肉
D.
发达的肌肉
【单选题】45 The expression 'adding vital life to years' in the last paragraph means
A.
living longer.
B.
living well。
C.
living longer and well.
D.
living at any cost.
【单选题】If you want to be a taxi driver, you should ______. Taxi drivers wanted Full-time taxi drivers. Over five years’ experience, good knowledge of the city. Under 45 years old.
A.
be over 45 years old
B.
know the city well
C.
have 4 years’ experience
D.
work in your spare time
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