最常见的妇科恶性肿瘤是（） A.卵巢癌 B.宫颈癌 C.子宫内膜癌 D.外阴癌 E.

对话填空。

W: Sir, you've been using the online catalogue (目录) for quite a (1) w______. Is there anything I can do

     to help you?

M: Well, I've got to write a paper about Hollywood in the 30s and 40s, and I'm really struggling. There are 

     hundreds of books, and I just don't know (2) w______ to begin.

W: Your topic sounds pretty big. Why don't you narrow it down to something like…uh… the history of the 

      studios during that time?

M: You know, I was thinking about doing that, but more than 30 books came up when I (3) t______ in

      "movie studios."

W: You could cut that down even further by listing the specific (4) y______ you want. Try adding "1930s"

      or "1940s" or maybe "Golden Age."

M: "Golden Age" is a good idea. Let me type that in. Hey, look, just 6 books this time. That's a lot better.

W: Oh… another thing you might consider. Have you tried looking for any (5) m______ or newspaper

      articles?

M: No, I've only been (6) s______ for books.

W: Well, you can look up magazine articles in the Reader's Guide to Periodical Literature. And we do have 

      the Los Angeles Times available over there. You might go (7) t______ their indexes (索引) to see if

      there's (8) a______ you want.

M: Okay, I think I'll get (9) s_______ with these books and then I'll go over the magazines.

W: If you need any (10) h_______, I'll be over at the Reference Desk.

M: Great, thanks a lot.

下列金融资产中流动性最强的是______。

A．企业债券
B．定期存单
C．活期存款
D．股票

老师上课板书时，用红色粉笔把重点内容突出出来，这运用的原理是( )

A．刺激强度大的物体容易引起人的无意识注意

B．色彩对比明显的物体容易引起人的无意识注意

C．新颖的物体容易引起人的无意识注意

D．活动的物体容易引起人的无意识注意

与燃油锅炉相比，在向用户供应相同热量的情况下，关于电动热泵优势描述不准确的是（）。

A．减少68%左右的CO₂

B．减少32%左右的CO₂

C．减少93%左右的SO₂

D．减少73%左右的NO₂