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【单选题】
They weren't a particularly good team, but they refused to give in and _____ defeat.A.
accept
B.
accepted
C.
accepting
D.
to have accepted
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【判断题】通过对矿石的矿物的化学组成及矿石结构构造的研究，可以分析含矿溶液的性质、成矿方式、成矿的温度和深度、矿化在时间和空间上的演化、矿化强度的变化以及成矿物质来源等问题。
A.
正确
B.
错误
【简答题】Questions 1 and 2 will be based on the following news item. 1. A) The number of girls is expected to double by 2050 B) Child marriage in Africa will be ended by 2050 C) Half women will be marrie...
【简答题】As soon as the five-year 1 on same- marriage was 2 , the couples in California began 3 , officiated by California's Attorney General. Hours later in Los Angeles, a second couple 4 . The Attorney G...
【单选题】Hurry up! By the time we get to the church, the marriage service _____. A．had startedB．will have
A.
31. Hurry up! By the time we get to the church, the marriage service _____. A．had started
B.
will have started
C.
has started
D.
must have started
【单选题】矿石的矿物组成及主要矿物含量、结构、构造等，以及矿石化学成分、有用组分、有益有害组分含量等应属于（）的研究内容。
A.
矿体特征
B.
矿石特征
C.
矿石加工选冶技术
D.
综合评价
【单选题】During the marriage ceremony, the bride and her would-be husband usually gold rings that represent the idea that their union will continue forever.
A.
contrast
B.
fuel
C.
prevent
D.
exchange
【简答题】以确定有用和有害组分及其含量为目的取样属（）；研究矿产和岩石的技术物理性质而进行的取样工作称为（）；为研究矿产可选性能和可冶性能而进行的取样工作是（）；为研究矿物成分、含量、粒度、结构构造及其次生变化而进行的取样工作是（）。
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