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【单选题】
海南已探明的具有开发价值的矿产有( )种。
A.
58
B.
57
C.
55
D.
54
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【简答题】Which album was considered as Queen's definitive work as well as their finest work?
【判断题】Their work was well planned, everybody worked with great enthusiasm, thus, they overfulfilled their quota.
A.
正确
B.
错误
【单选题】His silence at the meeting suggested that he _______ to your plan.
A.
hadn’t agreed
B.
didn’t agree
C.
wouldn’t agree
D.
not agree
【单选题】-We missed you at this morning's meeting,Diana. -________,but if I hadn't had to meet a friend,l would have  been  there. [     ]
A.
Me,too
B.
I'm sorry
C.
Never mind
D.
Thank you
【单选题】If they hadn’t made adequate preparation, the meeting _____________________.
A.
wouldn’t have been so successful
B.
will be successful
C.
is successful
D.
should be successful
【单选题】有效扬程与理论扬程之比成为离心泵的()
A.
机械效率
B.
容积效率
C.
水力效率
D.
水泵效率
【单选题】Moises has dreamed of setting up a graphic design company since he was in college. He always knew he wanted to work from home and he now had several leads for prospective customers. He also knew how m...
A.
defining the situation
B.
describing and collecting needed information
C.
developing alternatives
D.
determining if the decision was a good one
【单选题】My brother has always cared about nature. Last year, he went on a trip to the Arctic. He took many photos of polar bears. He was very brave because polar bears can be very fierce if they think their c...
A.
the Arctic
B.
fierce
C.
extinction
D.
adaptable
E.
Indead
【简答题】Their work was well planned, everybody worked with great enthusiasm, thus, they over fulf illed their quota.
【单选题】有效扬程与理论扬程之比成为离心泵的( )。
A.
机械效率
B.
容积效率
C.
流动效率
D.
水泵效率
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