上层建筑对经济基础的反作用的特点有( )。 A．目的是为了促进自己经济基础的形成和

假定当前盘符下有两个如下文本文件：
文件名 a1.txt a2.txt
内容 123# 321#
则下面程序段执行后的结果为
#include"stdio.h"
void fc(FILE*p)
charc；
while((c=fgetc(p))!=’#’)putchar(c)；
main()
FILE*fp；
fp=fopen("a1.txt"，"r")；
fc(fp)；
fclose(fp)；
fp=fopen("a2.txt"，"r")；
fc(fp)；
fclose(fp)；
putchar(’\n’)；

A．123321

B．123

C．321

D．以上答案都不正确

关于人类目前观测到的宇宙的说法不正确的是[ ]

A、称为“可见宇宙”

B、半径约为140亿光年

C、最远约9.408×1012千米

D、总星系

下列四组溶液，只提供无色酚酞试液不能鉴别的是(　　)。

A．Na₂CO₃、Na₂SO₄、H₂SO₄、NaOH

B．NaOH、Ca(OH)₂、HCl、Na₂CO₃

C．HCl、H₂SO₄、Na₂CO₃、KNO₃

D．Na₂SO₄、Ba(OH)₂、H₂SO₄、HCl

The Field Museum

Hours

Regular hours are 9:OOam - -5 :00 pm, daily. Last admission at 4:00 pm. Open every day except Christmas.

Admission We have several ticket choices for you to choose from. Advance tickets may be purchased at the will - call booth(预订零售处)  in person at the museum before 4 :00 pm.

Getting Here

The Field Museum is located on Chicago's Museum Campus,  at 1400S, Lake Shore Drive , just south  of Roosevelt Rd.

How to get here :  by car or public transit(运输) or free trolley.

Parking

Visitor parking in all lots on the Museum Campus is  $ 15 per day. This includes the Adler lot, the north garage, the Waldron garage and the east museum lot.

Hours for the north garage and Adler lot are 5 :00am - 5 :00pm. Mon - Fri and 6:00am - 5 :00pm weekends ;  east museum lot 9 :00am - 3 :00pm. Designated(指定的)  handicapped parking is available in every lot.

When all other lots are full, parking will be made available in the remote south lot for $8 per day.

From Memorial Day to Labor Day, the parking lot will only accept cash payment,which will need to be paid upon entering the garage.

Please note :These hours and rates are for daytime only and do not apply when  special events are  scheduled at the museums or Soldier Field.

Getting here during Chicago Bears Home Games

During bears home games and other major special events at Soldier Field, access to the Museum Campus can be challenging. No museum visitor parking is available on the Museum Campus during bears home games. However,public transit remains a great way to get to the Campus every day of the year. For more  information ,  call  the  Regional Transportation Authority  at  ( 312) 836 - 7000  or visit www. rtachicago. com. Additional parking is available at the Monroe Street garage, located at 350East Monroe Street.

小题1:If you buy advance tickets, you ________ .

A．call 60605 - 2496(312) - 922 - 9410 to register a ticket

B．should go and buy tickets all by yourself

C．can ask others to buy a ticket for you

D．should make an order with the museum in advance小题2:Where can you park your car for the least cost?

A．The south lot.

B．The Adler lot.

C．The north garage.

D．The Waldron garage.小题3: Which of the following statements is TRUE?

A．The museum is opened all the year around.

B．You can usually pay your parking in check.

C．During bears home games visitors can park on the museum Campus for free.

D．After 4:00 pm you are not allowed to enter the museum.

药物的副反应是指（）

A．药物在治疗剂量下出现与治疗目的无关并可给患者带来不适或痛苦

B．药物剂量过大而产生的作用

C．因病人有遗传缺陷而产生的作用

D．停药后出现的作用

E．不可预料的作用