He has ________ to tell us. [ ] A. somet

脑出血预后最好的是（）。

A.脑桥出血

B.基底节出血

C.小脑出血

D.脑叶出血

E.脑室出血

句型转换。

1. Li Lei is taller than any other boy in his class. (改为同义句)

   Li Lei is _____  _____ boy in his class.

2. Mary goes to the Birdwatching Club twice a week. (对划线部分提问)

    _____  _____ does Mary go to the Birdwatching Club?

3. Simon was playing a new computer game this time yesterday. (改为否定句)

    Simon _____  _____  a new computer game this time yesterday.

4. They went to the airport by coach just now. (改为一般疑问句)

    _____  they_____ to the airport by coach just now?

5. Tom had no time for breakfast. He went to school in a hurry. (改为同义句)

    Tom _____ to school _____ breakfast.

下列分子中心原子是sp²杂化的是    [ ]

A．PBr₃             

B．CH₄                 

C．BF₃           

D．H₂O

成年男性红细胞计数的参考值为（）。

A.（4.0～5.5）×10¹²/L

B.（4.2～5.2）×10¹²/L

C.（3.5～5.0）×10¹²/L

D.（6.0～7.0）×10¹²/L

E.（5.0～6.0）×10¹²/L

供给大脑半球前3/5部血液的血管是

A．大脑前动脉

B．大脑中动脉

C．颈内动脉系统

D．椎基底动脉系统

E．前交通动脉