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【单选题】
回声测深仪的工作频率是指:A.
脉冲重复频率
B.
发射脉冲的间隔时间
C.
每秒钟发射脉冲次数
D.
发射超声波的频率
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举一反三
【单选题】Which of the following is not a type of Linked List ?( )
A.
Doubly linked list
B.
Singly linked list
C.
Circular linked list
D.
Hybrid linked list
【单选题】A Inc has a retention rate of 50%. Its debt/equity ratio is 0.12 and a return on equity equals to 16.2%. However, it plans to raise the debt/equity ratio up to 0.3 with the interest rate increasing f...
A.
7.5%
B.
8.6%
C.
11.3%
D.
5%
【简答题】在正弦交流电路中,电源的频率越高,电感元件的感抗越 ___ 。
【单选题】Which one of the statements about packing list is NOT correct?_____
A.
The name of the packing list does not need to be the same name of the list as required in the letter of credit.
B.
The packing list is supplementary to the commercial invoice.
C.
The packing list and the invoice are usually issued at the same time.
D.
A packing list cannot serve as a weight list or a measurement list. If the latter two lists are needed, they should be issued as two separate documents along with the packing list.
【单选题】In 19X7, Kanga Inc. had a net income of $40.2 million, assets of $600 million, and shareholders’ equity of $405 million. Calculate the return on equity.
A.
4%
B.
6.7%
C.
9.93%
D.
20.62%
【单选题】In a singly linked list which operation depends on the length of the list.
A.
Interchange the first two elements of the list
B.
Delete the last element of the list
C.
Add an element before the first element of the list
D.
Delete the first element of the list
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