ZD114型牵引电机电压为（）

将4x+x³+4x²分解因式的结果是______．

下列哪项体征提示有大腹水存在（）

A.水坑征

B.移动性浊音

C.液波震颤

D.振水音

E.蠕动波

瘰疠溃破后疮口的特点是：（）。

A.呈岩穴状

B.呈穿凿形

C.边缘削直

D.呈潜行性空腔

E.中深边浅形

How many coins have you got in your pocket right now?Three?Two?Or one?With a phonecard you can make up to 200 calls without any change at all.

1.What do you do with it?

Go to a telephone box marked “Phonecard”.Put in your card,make your call and when you've finished,a screen tells you how much is left on your card.It costs no extra for the cards,and the calls cast 10 per unit,the same as any other payphone call.You can put them in units of 10,20,40,100 or 200.

2.Now appearing in a shop near you

Near each card phone place you'll find a shop where you can buy one.They're at bus,train and city tube stations.Many universities,hospitals and clubs,restaurants and gas stations on the highway and shopping centers.At airports and seaports.

3.No more broken payphones

Most broken payphones are like that they've been vandalized（破坏了的）.There are no coins in Cardphone to excite thieves' interest in it.So you're not probably to find a vandalized one.Get a phonecard yourself and try it out.Or get a bigger wallet.

小题1:There are three sections in the passage.Which section do you think is about why phonecards are good?

A．Section 1.

B．Section 2.

C．Section 3.

D．Section 1&2.小题2:Choose the right order of the steps under“How to use a phonecard”.

a.Put in your phonecard.

b.Look at the screen to find out how many calls you can still make.

c.Go to a telephone box marked “Phonecard”.

d.Make your call.

A．a,b,c,d

B．c,a,d,b

C．a,d,c,b

D．c,d,a,b小题3:The last sentence “Or get a bigger wallet”means“_________”.

A．Phonecards are cheap

B．You cannot use all payphones

C．Thieves will not break card phones

D．People do not like carrying a lot of coins

以下程序用于判断a、b、c能否构成三角形，若能，输出YES，否则输出NO。当给a、b、c输入三角形三条边长时，确定a、b、c能构成三角形的条件是需同时满足三个条件：a+b，c，a+c＞b，b+c＞a。请填空。
main()
float a,b,c;
scanf("%f%f%f",&a,&b,&c);
if( [9] )printf("YES\n"); /*a、b、c能构成三角形*/
else printf("NO"); /*a、b、c不能构成三角形*/