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【单选题】
passage two 2.What statement by the visitor best describes the "home" stage?A.
I'm glad to be returning to my own country.
B.
I really admire the local people who live here.
C.
I really enjoy living among the people here.
D.
I am delighted that I can finally be back to my country.
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举一反三
【单选题】We are quite sure that we can ________ our present difficulties and finish the task according to schedule.
A.
get across
B.
get over
C.
get away
D.
get off
【简答题】设 A 是 m × 3 矩阵 , B 是 n × 4 矩阵 , C 是 4 × s 矩阵 , 而已知 ABC 是 5 × 7 矩阵 , 则 m = ( ), n = ( ), s = ( ).
【简答题】设A是3×4矩阵，B是5×2矩阵，且乘积ACB有意义，则矩阵C T 的阶数为______。