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【单选题】
关于联合用药的说法正确的是()
A.
联合用药后，药效为各药物的代数和，如青霉素与链霉素合用，称为增强作用
B.
联合用药后，各药作用相似，药效增加的，称为相加作用
C.
联合用药后，各药作用相反，药效减弱或消失的称为拮抗作用
D.
在静脉滴注的葡萄糖溶液中加入磺胺嘧啶钠注射液，几分钟后可见微细的磺胺嘧啶结晶析出，这种现象属于药物的拮抗作用
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参考答案：
举一反三
【单选题】Let me catch you up on all the gossip.
A.
得到……消息
B.
抓到
C.
赶上；追上
D.
把…缠住
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【单选题】在数据库操作中，修改表基本定义的语句是——。
A.
drop table
B.
select table
C.
alter table
D.
update table
查看完整题目与答案
【简答题】在 NetBar 的数据库表 Card 中,为字段 ID 增加约束,要求 ID 字段的格式限制为: l 只能是八位字节。 l 前两位是 0 。 l 3-4 位为数字。 l 第 5 位为下划线。 l 6-8 位为字母。 为 NetBar 的数据库表 Card 增加以下数据行,如图 3.3 所示。 ID Password Balance UserName 0023_ABC A bc 100 00...
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【单选题】Juia; It’s nearly eight. If you want to catch the last train, you'd better go now. Bill: Don' t worry. I’ll drive to the station. Juia: In that case, let me go with you. And you drop me off at the cit...
A.
See Bill off.
B.
Go shopping,
C.
Drive Bill to the station.
D.
Pick up her sun.
查看完整题目与答案
【单选题】Julia: It's nearly eight. If you want to catch the last train, you'd better go now. Bill: Don't worry. I'll drive to the station. Julia: In that case, let me go with you. And you drop me off at the ci...
A.
See Bill off.
B.
Go shopping.
C.
Drive Bill to the station.
D.
Pick up her son.
查看完整题目与答案
【简答题】Directions: Each of the following sentences has a mistake in it. Identify the unnecessary word in each sentence. Dealing with communication breakdown Asking for repetition 1. Sorry, I didn’t quite cat...
查看完整题目与答案
【简答题】贴片器件在高频电路的应用很广泛。一般使用数字直接标示电阻、电容和电感。有五个电阻,标示为203, 102, 8R1, 和220R,以及0。 (1) 请问,这五个电阻的阻值代表多大电阻?(提示:请查阅贴片电阻标示方法,或者阅读学习通第二章课后材料:贴片电阻的命名) (2) 请问0欧电阻的用途(提示:请查阅贴片电阻标示方法,或者阅读学习通第二章课后材料:0欧电阻的用途)
查看完整题目与答案
【单选题】货运合同的当事人有( )
A.
承运人、代理人、收货人
B.
承运人、托运人、收货人
C.
承运人、托运人、装卸公司
D.
承运人、代理人、装卸公司
查看完整题目与答案
【单选题】Amy: Hi, Tony. What's happening with the Nick Crawford story?
A.
What's the Nick Crawford story about?
B.
What are you doing with Nick Crawford?
C.
What's up with the Nick Crawford story?
查看完整题目与答案
【简答题】用适当的连词完成下列句子,每小题 2 分。 1. I hardly knew anything about it ( ) you told me. 2. Study hard,( ) you won't catch up with your friends. 3. Tom went to visit his friend ( ) is a teacher. 4. My gr...
查看完整题目与答案
相关题目：
【单选题】Let me catch you up on all the gossip.
A.
得到……消息
B.
抓到
C.
赶上；追上
D.
把…缠住
查看完整题目与答案
【单选题】在数据库操作中，修改表基本定义的语句是——。
A.
drop table
B.
select table
C.
alter table
D.
update table
查看完整题目与答案
【简答题】在 NetBar 的数据库表 Card 中,为字段 ID 增加约束,要求 ID 字段的格式限制为: l 只能是八位字节。 l 前两位是 0 。 l 3-4 位为数字。 l 第 5 位为下划线。 l 6-8 位为字母。 为 NetBar 的数据库表 Card 增加以下数据行,如图 3.3 所示。 ID Password Balance UserName 0023_ABC A bc 100 00...
查看完整题目与答案
【单选题】Juia; It’s nearly eight. If you want to catch the last train, you'd better go now. Bill: Don' t worry. I’ll drive to the station. Juia: In that case, let me go with you. And you drop me off at the cit...
A.
See Bill off.
B.
Go shopping,
C.
Drive Bill to the station.
D.
Pick up her sun.
查看完整题目与答案
【单选题】Julia: It's nearly eight. If you want to catch the last train, you'd better go now. Bill: Don't worry. I'll drive to the station. Julia: In that case, let me go with you. And you drop me off at the ci...
A.
See Bill off.
B.
Go shopping.
C.
Drive Bill to the station.
D.
Pick up her son.
查看完整题目与答案
【简答题】Directions: Each of the following sentences has a mistake in it. Identify the unnecessary word in each sentence. Dealing with communication breakdown Asking for repetition 1. Sorry, I didn’t quite cat...
查看完整题目与答案
【简答题】贴片器件在高频电路的应用很广泛。一般使用数字直接标示电阻、电容和电感。有五个电阻,标示为203, 102, 8R1, 和220R,以及0。 (1) 请问,这五个电阻的阻值代表多大电阻?(提示:请查阅贴片电阻标示方法,或者阅读学习通第二章课后材料:贴片电阻的命名) (2) 请问0欧电阻的用途(提示:请查阅贴片电阻标示方法,或者阅读学习通第二章课后材料:0欧电阻的用途)
查看完整题目与答案
【单选题】货运合同的当事人有( )
A.
承运人、代理人、收货人
B.
承运人、托运人、收货人
C.
承运人、托运人、装卸公司
D.
承运人、代理人、装卸公司
查看完整题目与答案
【单选题】Amy: Hi, Tony. What's happening with the Nick Crawford story?
A.
What's the Nick Crawford story about?
B.
What are you doing with Nick Crawford?
C.
What's up with the Nick Crawford story?
查看完整题目与答案
【简答题】用适当的连词完成下列句子,每小题 2 分。 1. I hardly knew anything about it ( ) you told me. 2. Study hard,( ) you won't catch up with your friends. 3. Tom went to visit his friend ( ) is a teacher. 4. My gr...
查看完整题目与答案
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