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【判断题】
对于任何一个无G,有:k(G) ≤λ(G) ≤δ(G),即点连通度≤边连通度≤ G的最小度。A.
正确
B.
错误
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举一反三
【单选题】He said he had stolen the money but he couldn’t ______ the fact that the money was found in his h
A.
5. He said he had stolen the money but he couldn’t ______ the fact that the money was found in his house. A．answer for
B.
leave for
C.
account for
D.
care for
【单选题】“Was his father very strict with him when he was at school?” “Yes. He had never praised him _____
A.
5. “Was his father very strict with him when he was at school?” “Yes. He had never praised him _______ he became one of the top students in his grade.” A．after
B.
unless
C.
until
D.
when
【单选题】He did't do it, did he? ______.
A.
No, he doesn't
B.
Yes, he didn't
C.
No, he did
D.
Yes, he did
【单选题】He hasn’t slept at all for three days. he is tired out.A．There is no pointB．There is no needC．It
A.
5. He hasn’t slept at all for three days. he is tired out. A．There is no point
B.
There is no need
C.
It is no wonder
D.
It is no way
【简答题】Look and write. 1. A: How does he feel? B: He . 2. A: How ? B: He . 3. A: ? B: . 4. A: ? B: . 5. A: ? B: .
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