單項(xiàng)選擇題

下列哪個(gè)問題不能通過尺規(guī)作圖解決？

A、做角平分線
B、做體積為原立方體體積2倍的正方體
C、做等邊三角形
D、做圓形

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When preparing a bank reconciliiation it is realised that: 1 Cheques with a value of $1,050 have been sent to suppliers and correctly entered in the cash book, but have not yet been presented for payment. 2 A cheque for $75 sent to a supplier has been incorrectly recorded in the cash book as $57. 3 Before correction, the cash book has a balance of $10,500 credit. 4 Bank charges of $175 have not been recorded in the cash book. The balance of the cashbook after the correction is:
A、$10,307 overdrawn
B、$10,343 overdrawn
C、$10,657 overdrawn
D、$10,693 overdrawn

答案： B

如有樣品撒落在天平內(nèi)或天平臺(tái)面，應(yīng)及時(shí)清掃干凈后，再關(guān)機(jī)。（）

答案：錯(cuò)誤