题目内容

Listen and choose the best answer to the questions.What does Holly think of Zhang?

A. He's a strong guy.
B. He's a talented guy.
C. He's an active guy.
D. He's a bragger.

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Listen and choose the best answer to the questions.Which trait does Holly NOT mention as a trait of a good employee?

A. dependable
B. honest
C. experienced
D. innovative

根中初生韧皮部的发育方式是。

A. 外起源
B. 内起源
C. 外始式
D. 内始式

( )根毛区横切面用光学显微镜观察根的初生构造由外至内可分为表皮、皮层、中柱三部分。

A. 对
B. 错

( )侧根起源于根毛区的形成层。

A. 对
B. 错

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