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【判断题】
当反向电压小于反向击穿电压时，二极管的反向电流很小;当反中向电压大于反向击穿电压后，其反向电流迅速增加。()A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】对银行存款的清查，主要是将（ ）进行核对。
A.
银行存款日记账与总账
B.
银行存款日记账与银行存款收、付款凭证
C.
银行存款日记账与银行对账单
D.
银行存款总账与银行存款收、付款凭证
【单选题】患者,女性,35岁。在田间作业时被蛇咬伤,局部皮肤出现一对大而深的齿痕,伤口出血不止,周围皮肤迅速出现瘀斑、血疱。 应首先采取哪种急救措施?
A.
立即呼救
B.
冲洗伤口
C.
早期绑扎伤处近心端的肢体
D.
反复挤压伤口
E.
行走去医院急救
【单选题】He raised a suggestion at the meeting, ____ well worth considering.
A.
which I think is
B.
which I think it is
C.
I think is which
D.
I think it is
【单选题】I think I have reached the point, I enjoy seeing the scenery of the city.
A.
When
B.
Where
C.
Which
D.
that
【单选题】下列（ ）方法不能用于创建索引。
A.
使用create index语句
B.
使用create table语句
C.
使用alter table语句
D.
使用create database语句
【简答题】Exercise 1--- Building an Intonation Sentence Repeat after me the sentences listed in the following groups. 1. I bought a sand wich. 2. I said I bought a sand wich. 3. I said I think I bought a sand w...
【单选题】I think I was at school, I was staying with a friend during the vacation when I heard the news.
A.
even so
B.
and then
C.
or so
D.
or else
相关题目：
【单选题】对银行存款的清查，主要是将（ ）进行核对。
A.
银行存款日记账与总账
B.
银行存款日记账与银行存款收、付款凭证
C.
银行存款日记账与银行对账单
D.
银行存款总账与银行存款收、付款凭证