“建设一经营一移交”投资方式又称为( )。A．BOT B．TOT C．TOB D．

想一想，填一填。

1. It's           (on, in) the second floor.

2. Do you have lunch           (at, in) school?

3. It's time            (to, for) go to bed.

4. It's time            (to, for) lunch.

5. These are _____ (he, his) pants.

关于鼻咽癌的MRI诊断，错误的是（）

A.鼻咽癌占鼻咽部恶性肿瘤的98%以上

B.绝大多数浸润性生长为主

C.肿瘤可顺肌束、神经血管束及纤维-脂纺组织界面蔓延

D.GD-DTPA增强扫描肿瘤无强化

E.少数较表浅的鼻咽癌以外生性生长为主，向鼻腔内突出

Memories of her staying with her host family in China often _____ to the mind of the Italian exchange student. [ ]

A. call up

B. hold back

C. bring up

D. come back

下列4个不同进制的无符号整数，数值最大的是（）

A.（11001011）₂

B.（257）₈

C.（217）₁₀

D.（C3）₁₆

原植物为棉团铁线莲的威灵仙药材气味特征是（）

A.气微，味淡

B.气微，味苦

C.气微，味咸

D.气微，味辛辣

E.气微香，味涩