搜题请搜索小程序“爱下问搜题”
问题 多项选择题 X型题

不慎误服大量有机磷农药时，可采用洗胃、导泻等措施进行抢救，因为（）

A.可以阻止消化道中尚未吸收的药物的进一步吸收

B.可以中止药物的肝肠循环，减少重吸收，促进药物排泄

C.可以将血中药物透析进入胃肠道

D.可以防止细菌分解药物产生毒性更强的化合物

E.可以刺激胃肠道功能，防止胃肠麻痹

答案

参考答案：A, B

选择题

如图11所示器材可用来研究电感应现象及判定感应电流的方向。

图11

 
 

 

（1）在给出的实物图中，用实线作为导线将实验仪器连成实验电路。

（2）将线圈L1插入L2中，合上开关。能使感应电流与原电流的绕行方向相同的实验操作是：

A 插入软铁棒。         B 拔出线圈L1

C 使变阻器阻值变大。   D 断开开关。
查看答案
填空题

How did the Olympic Games start In ancient Greece athletic festivals were very important and had p ________ (1). Originally the Festival was held in honour of .Zeus, the supreme god in Greek Mythology. Eventually the Olympian athletic festival had lost its ________ (2) and became an international event. No one knows exactly ________ (3) the Olympic Games go, but some scholars recorded date from 776 B.C.According to some scholars, at first the only Olympic event was ________ (4), called a stadium and that was the only event until 724 B.C. After that, other ________ (5) were added and sixteen years later in ________ (6) the pentathlon was added and wrestling became part of the games. This pentathlon was a five-event match which ________ (7) running, wrestling, leaping, throwing the discus, and hurling the javelin.The games were held ________ (8) and after an uninterrupted history of 1170 years, the games ________ (9) in A.D. 394, the Christian era, because of their pagan origin.It was over ________ (10) before there was another such international athletics gathering. In 1896, the first of the modern ________ (11) opened in Athens, Greece.Nowadays, the Games are held in different countries ________ (12). The host country provides vast facilities such as stadiums and ________ (13).Many more sports are represented, including the very celebrated event: ________ (14).The Olympics start with the arrival in the stadium of a torch, ________ (15) on Mount Olympus by the sun’s rays. The torch is carried by ________ (16) to the stadium. The Olympic flame symbolizes the ________ (17) of the ancient Greek athletic ideals, and it burns throughout the Games until ________ (18). The well-known Olympic flag, however, is ________ (19): the five interlocking rings symbolize the uniting of all five continents ________ (20).
查看答案