在单偏光镜下,下降镜筒或提升物台,贝克线向树胶方向移动,矿物的表面糙面显著,边明显且宽,该矿物的突起为()。
A、正高突起
B、低正突起
C、负突起
D、正极高突起
参考答案:D
I don't want to buy this pair of black shoes. I want to buy ________. [ ]
A. that one
B. that pair
C. that ones
D. that a pair
汉译英:“保函;信用证;许可证”,正确的翻译为()。
A.letter of credit;letter of guarantee;license
B.letter of guarantee;letter of credit;license
C.letter of guarantee;license;letter of credit
D.license;letter of credit;letter of guarantee