题目内容

导管存在于种子植物的木质部,它是由许多端壁形成穿孔的导管分子连接而成的。( )

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植物的表皮细胞是由一层排列紧密,不含质体的死亡细胞所构成的。( )

Patient:Doctor,what’S the matter with me?Doctor:__________. Patient:But I‘m feeling terrible. Doctor:Actually you are as strong as a horse.

A. It,s terrible
B. It’s serious
C. Very well
D. Nothing serious

The best thing__________ happened to me was finding my best friend,Katrina.

A. what
B. as
C. that
D. which

Doctor:__________?Patient:I,m much better.My stomach problem is gone.Now I just feel hungry.

A. Do you have anything to declare,Sir
B. Good mornin9.May I help you
C. How are you feeling today
D. What seems to be the problem

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