题目内容

水生花卉是指生长于水体中、沼泽地、湿地上的花卉。

A. 对
B. 错

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依用途划分，可将花卉分为观花类、观果类、观叶类、观茎类、观芽类。

A. 对
B. 错

Sabrina had none of the _______ so often associated with beautiful women.

A. humility
B. vanity
C. pride
D. humbleness

I had no hesitation in calling the police because I realised he was ______________ of murder.

A. capable
B. able
C. suspicious
D. competent

Thus the biosphere is ____________________, an immense, integrated, living system.

A. all of
B. all of a size
C. all to pieces
D. all of a piece