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【简答题】
在5阶行列式中, 项 的符号应取(__);
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【单选题】听力原文：W: Hello, Kevin. This is Lucy. I'm afraid I won't be able to attend the party. I was just asked to go to a meeting at the same time as the party. M: Do come after your meeting, Lucy. Our party wo...
A.
She was afraid she might be kept too late.
B.
She would have something more important to do.
C.
She had to meet a friend of hers.
D.
She was not in the mood to attend the party.
【简答题】听 Mary 和 Amy 的对话。在空白处填入你听到的交通方式。 Mary: Well, first I tried to catch ___1___ but I waited for half an hour and no taxis were available. So I decided to take ___2___ . After waiting for fif minute...
【简答题】Mary: Well, first I tried to ( 1 ) , but I waited for half an hour and no taxis were available. So, I decided to ( 2 ) . After waiting for fif minutes at the bus stop, the bus finally came....
【多选题】客观世界与主观世界的对立统一主要体现在( )。
A.
客观世界与主观世界具有不同的存在方式
B.
客观世界与主观世界的发展不完全同步性
C.
客观世界规律可以以主观世界意志而改变
D.
客观世界与主观世界可以相互转化
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