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【单选题】
染色法的染色原理
A.
物理吸附
B.
化学亲合
C.
化学结合
D.
物理吸附和化学亲合
E.
物理性结合
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举一反三
【简答题】According to the third paragraph, researchers differed from each other in the problem of
【判断题】With a special checking account, there is no service charge.
A.
正确
B.
错误
【单选题】中缀表达式 -a+b*(-c+d) 的逆波兰式表示是()。
A.
a@bc@d+*+
B.
abc@d+*+
C.
a@bcd+@*+
D.
abcd+@*+@
【单选题】Each of the 400 people received from their boss____ gift —“Who moved my cheese?”—____ best-seller in the US—to understand how to deal with changes in their lives and work.
A.
the; 不填
B.
a; a
C.
a; 不填
D.
the; a
【单选题】There is no takeaway option, but fast and _______ service is promised.
A.
effect
B.
affect
C.
efficient
D.
affective
【判断题】There is no service charge when you buy train tickets at the railway station.
A.
正确
B.
错误
【简答题】There is no reservation from your service.
【单选题】中缀表达式-a+b*(-c+d)的逆波兰表示是( )。
A.
a@bc@d+*+
B.
abc@d+*+@
C.
a@bcd+@*+
D.
abcd+@*+@
【单选题】代谢性酸中毒所致呼吸困难的特点为
A.
呼吸急促,心率加快
B.
呼吸深长规则,可伴有鼾音
C.
呼吸浅快,伴口周、肢体麻木
D.
呼气费力,常伴哮鸣音
E.
呼吸变浅、缓慢,常伴呼吸节律异常
【简答题】●算术表达式采用逆波兰式表示时不用括号,可以利用(20)进行求值。与逆波 兰式ab-cd+*对应的中缀表达式是 (21) 。 (20) A.数组 B.栈 C.队列 D.散列表 (21) A. a-b+c*d B.(a-b)*c+d C.(a-b)*(c+d) D. a-b*c+d
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