组织中木质部内外均有韧皮部和内皮层的药材是A．狗脊 B．狗脊贯

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问题单项选择题

组织中木质部内外均有韧皮部和内皮层的药材是

A．狗脊

B．狗脊贯众

C．紫萁贯众

D．绵马贯众

E．大黄根茎

答案

参考答案：A

选择题

—I didn’t do well in physics.

—I did you; so we are half and half.

A．not worse than

B．no worse than

C．not better than

D．no better than网科

选择题

The meeting we had ________ to _______ us finally. [ ]

A. looked forward; disappointing

B. been looked forward; disappointed

C. looked forward; disappointed

D. been looked forward; disappointing