煤的灰分测定中，当灰分（）时，必须进行检查性灼烧。 A: Ad＜15.00％ B: Aad＜15.00％ C: Ad≥15.00％ D: A≥15.00％

Which of the following prices is quoted for China's import? A: USD 15.00 per set CIF Shanghai B: USD 15.00 per set CIF Antwerp C: USD 15.00 per set FOB Shanghai D: EUR 15.00 per set FOB Antwerp E: USD 15.00 per set CPT Antwerp F: USD 15.00 per set CIP Xi'an, China G: USD 15.00 per set FCA Los Angeles

Which of the following prices can be quoted for China’s import? A: USD 15.00 per set CIF Shanghai B: EUR 15.00 per set FOB Antwerp C: USD 15.00 per set CIP Dalian, China D: USD 15.00 per set CIF Antwerp E: USD 15.00 per set FOB Shanghai F: USD 15.00 per set CPT Antwerp

Which of the following prices is quoted for China's import? A: USD 15.00 per set CIF Shanghai B: USD 15.00 per set CIF Antwerp C: USD 15.00 per set FOB Shanghai D: USD 15.00 per set CPT Antwerp

Which of the following prices is quoted for China's import? A: EUR 15.00 per set FOB Antwerp B: USD 15.00 per set CIP Xi'an, China C: USD 15.00 per set FCA Los Angeles D: USD 15.00 per set CIF Shanghai

-8.00/-2.00=（）。 A: -10.00 B: -6.00 C: -8.00 D: -2.00

某环曲面软镜-2.00/-3.00×180,配适评估发现片标逆时针转了10度,求环曲面软镜处方 A: -2.00/-3.00×180 B: -2.00/-3.00×170 C: -2.00/-3.00×105 D: -2.00/-3.00×10

-4.00×15/-2.00×15=（）。 A: -4.00 B: -2.00 C: -6.00×15 D: +6.00×15

下列中文大写正确的有 。 A: ¥1008.60 人民币壹千零捌元陆角零分 B: ¥15.00 人民币拾伍元整 C: ¥15.00 人民币壹拾伍元整 D: ¥100.60 人民币壹百元陆角整

If a consumer is willing and able to pay $15.00 for a particular good but the price of the good is $17.00,then the