单项选择题

The best alternative title for the passage will be______.

A．A Study of Weed Communities
B．The Importance of Studying How Plants Live in Communities
C．How Herbicides May Affect Farm Land
D．Weed Control by Means of Herbicides

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单项选择题

What did Dr. Tureck seek to prove about Santander by quoting from her letter of invitation

A．The pressure is less intense.
B．The competitors suffered no physical harm.
C．She was invited to be on the jury.
D．She had the right to comment.

单项选择题

Why is lvo Pogorolich mentioned

A．As an example of a "competition winner", rather than a "musician'.
B．Because he realized he would do better in his career if he lost.
C．Because he made a spectacle of himself when he lost.
D．As an example of someone who built a reputation in spite of losin