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发布时间:2024-05-25 01:29:12

[单项选择]

To round is to delete or (66) one or more of the least significant digits in a positional (67) and to, or not to, adjust the part retained in accordance with some specified rule. The purpose of rounding is usually to limit the (68) of the numeral or to reduce the number of characters in the numeral, or to do both these things.
The most common arithmetic forms of rounding are rounding down, rounding up and rounding off. Rounding down is defined as making no adjustment to the part of the numeral that is retained. Rounding up means adjusting the part of the numeral that is retained by adding 1 to the least significant of its digits and executing any necessary carries, if and only if One or more non-zero digits have been deleted. Rounding off (69) adjusting the part of the numeral retained by adding 1 to the least significant of its digits and executing any necessary carries, if and only if the most significant of the digits deleted was equal to or
A. accuracy
B. refinement
C. precision
D. correctness

更多"To round is to delete or (66) one o"的相关试题:

[单项选择]

To round is to delete or (66) one or more of the least significant digits in a positional (67) and to, or not to, adjust the part retained in accordance with some specified rule. The purpose of rounding is usually to limit the (68) of the numeral or to reduce the number of characters in the numeral, or to do both these things.
The most common arithmetic forms of rounding are rounding down, rounding up and rounding off. Rounding down is defined as making no adjustment to the part of the numeral that is retained. Rounding up means adjusting the part of the numeral that is retained by adding 1 to the least significant of its digits and executing any necessary carries, if and only if One or more non-zero digits have been deleted. Rounding off (69) adjusting the part of the numeral retained by adding 1 to the least significant of its digits and executing any necessary carries, if and only if the most significant of the digits deleted was equal to or
A. simplify
B. reduce
C. abbreviate
D. omit

[填空题]But some b00ks would cost more than l have. But l didn’t ______ to buy some b00ks.
[填空题]But some b00ks would cost more than l have.
But l didn’t ______ to buy some b00ks.


[填空题]The book has more than one author.
[填空题]The secret of happiness is not in doing what one likes, ______ (而是喜欢他应做的).
[单项选择]
Directions: In this section, you will hear one long conversation. The conversation will be read only once. At the end of the conversation, there will be a one-minute pause. During the pause, you must read the four questions, each with three choices marked A, B and C, and decide which is the best answer.

How much is a child’s ticket
A. 25 pence.
B. 50 pence.
C. 75 pence.
D. 95 pence.

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