试述塔式起重机塔顶的作用，并说明刚性塔顶和可摆式塔顶受力的区别？

下列各项中，属于下焦病证主要表现的是（）。

A.面红目赤

B.便溏

C.手足蠕动

D.蒸蒸汗出

E.脘腹胀满

艾滋病患者中最易出现的中枢神经系统机会性感染之一有（）

A.脊髓灰质炎病毒

B.梅毒的苍白密螺旋体

C.流感病毒

D.淋巴细胞性脉络丛脑膜炎病毒

E.弓形体

阅读下面的文字，完成16一18题。(6分)二十四节气令我们惊叹和叫绝的，，，。这真让我们这些后世的汉语使用者不仅感到骄傲也感到惭愧。 “惊蛰”，两个汉字并列一起，即神奇地构成了生动的画面和无穷的故事。你可以暇想：在远方那一声初始的雷鸣中，万千沉睡的幽暗生灵被唤醒了，它们睁开惺忪的双眼，不约而同，向圣贤一样的太阳 (chǎng)开了各自的门户。①仿佛为了响应这一富于“革命”意味，②天，豁然晴朗了。③整面天空像一个深隐林中的蓝色湖泊。小麦已经返青，望着满眼绒绒的新绿，你会感到，绿色自身也有生命。在沟堑和道路两旁，青草破土而出，连片的草色十分醒目。柳树伸出了鸟舌状的叶芽，杨树拱出的花蕾则让你想到幼鹿初萌的角。

第三段中①一③的文字(加“”)有一处语病，请写出序号并加以修改。(2分)(1)有语病的一处的序号：__________ (1分) (2)修改：__________(1分)

标号XK—360的机械中K代表（）

A.开孔机

B.切胶机

C.密炼机

D.开炼机

Everyone gets angry sometimes, but being angry doesn’t really solve much. Your goal is to calm yourself down. This is (1) for some people. Instead of calming down, they might get more and more upset (2) they explode like a volcano. Some people might say they have trouble (3) their temper. Sometimes angry feelings can be hard to (4) . So what do you do if your temper is like a volcano

Well, the good news is (5) people don’t keep making the same mistakes over and over again. You can train your temper. Here are steps you can (6) at any time.

Get a lot of (7) activity. Exercise can be good because it is a way of (8) energy and stress. You can dance around your room (9) your favorite music, too.

Talk to your mom or dad. If you’re having trouble with your temper, tell your parents you’re trying to do a (10) job of controlling yourself. Let them know you are going to ask for their help.

Put (11) into words. Get into the habit of saying what you are feeling and why. (12) using words might help you manage your p feelings and behaviors.

Take a break from the (13) . If you are in an argument with someone, go to another part of your house. You can just say, "I want to be (14) for a while so I can calm down. "

Go into a (15) . If you fed angry and think you need a timeout to calm down, don’t (16) your parents to tell you to take a timeout for yourself. Let your family know that when you’re taking a timeout, they need to (17) your space and leave you alone. While you are sitting in your chair, try to take deep (18) .

Learn to shift. The idea is to shift from a really angry mood to a better mood. After you (19) the angry feelings out, you have to start thinking about other things, You can say, "I (20) my temper, but I’m going to get myself under control now.

14（）

A.lonely 

B.alone 

C.friendless 

D.distant