造型起模从大的方式上分为（）、（）两种。

已知关于x的方程kx²+4x-2=0有实数根，求k的取值范围．

To our surprise, we got ______ people to attend the meeting as we expected.

A．as twice

B．twice many

C．twice many as

D．twice as many

疏散风热，透疹止痒，明目退翳，息风止痉（）

A.菊花

B.苍耳子

C.桑叶

D.辛夷

E.蝉蜕

西藏的邮政编码中，省（自治区、直辖市）码是（）。

A.72

B.73

C.84

D.85

---________is it from your home to the hospital?

---It is about three miles. [ ]

A．How far      

B．How long      

C．How          

D．How often