皮皮学，免费搜题
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搜题
【单选题】
从二极管伏安特性曲线可以看出,二极管两端压降大于 时处于正偏导通状态。A.
0
B.
死区电压
C.
反向击穿电压
D.
正向压降
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【多选题】A tourist is going to reserve an air ticket to Paris, but he is not sure about the return date. So what kind of ticket would you suggest him to book?
A.
Return ticket.
B.
One-way ticket.
C.
Open ticket.
D.
Round-trip ticket.
【多选题】Lee is going to reserve an air ticket to Paris. But he is not sure about the return date. So what kind of ticket would you suggest him to book?
A.
Return ticket
B.
One-way ticket
C.
Open ticket
D.
Round-trip ticket
【多选题】Lee is going to reserve an air ticket to Paris. But he is not sure about the return date. So what kind of ticket would you suggest him to book?
A.
return ticket
B.
one-way ticket
C.
open ticket
D.
round-trip ticket
【多选题】A tourist is going to reserve an air ticket to Paris. But he is not sure about the return date. So what kind of ticket would you suggest him to book?
A.
Return ticket.
B.
One-way ticket.
C.
Open ticket.
D.
Round-trip ticket.
【单选题】某单位是实行国库集中支付的行政单位。2015年3月，审计机构对该单位2014年度预算执行情况展开检查，了解到以下情况：
（1）2014年3月，该单位通过零余额账户对下属单位转账，为下属单位支付设备采购款100万元。
（2）2014年4月，该单位通过零余额账户对本单位依照账户管理规定保留的相应账户划拔工会经费1万元。
（3）2014年8月，该单位为了采购一台精密仪器甲设备以邀请招标的方式对两家...
A.
2家
B.
4家
C.
1冢
D.
3家
【简答题】How do we reserve an air ticket?
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