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【单选题】
直接耦合放大器存在零点漂移的原因是( )。
A.
元件老化
B.
晶体管参数受温度影响
C.
放大倍数不稳定
D.
电源电压不稳
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【多选题】下列关于硬胶囊壳的叙述错误的有
A.
胶囊壳主要由明胶组成
B.
空胶囊有平口和锁口两种
C.
囊壳在37℃水中振摇15min，应全部溶散
D.
加入二氧化钛使囊壳易于识别
E.
囊壳编号数值越大，其容量越大
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【多选题】根据国际标准化组织的建议,运输标志的主要内容包括( )。
A.
目的地名称或代号
B.
收货人代号
C.
货物条形码
D.
件号
查看完整题目与答案
【单选题】Suppose that a country experiences growth strongly biased toward its export, cloth,
A.
this will tend to worsen the country's terms of trade.
B.
this will tend to improve the country's terms of trade.
C.
this will tend to leave the country's terms of trade unchanged.
D.
this will tend to worsen the terms of trade for the country's trading partner.
E.
this will increase the price of cloth relative to the imported good.
查看完整题目与答案
【单选题】标准的ASCOT研讨会研讨会的程序有()个内容。
A.
3
B.
4
C.
5
D.
6
查看完整题目与答案
【简答题】请作答：手提式氧气瓶在使用时候的注意事项。
查看完整题目与答案
【判断题】E值越大,越容易溶解
A.
正确
B.
错误
查看完整题目与答案
【单选题】Suppose that a country experiences growth strongly biased toward its export, ( )
A.
this will tend to leave the country's terms of trade unchanged.
B.
this will tend to worsen the country's terms of trade.
C.
this will increase the price of cloth relative to the imported good.
D.
this will tend to improve the country's terms of trade.
查看完整题目与答案
【单选题】Suppose that a country experiences growth strongly biased toward its export, cloth,
A.
this will tend to leave the country's terms of trade unchanged.
B.
this will tend to improve the country's terms of trade.
C.
this will increase the price of cloth relative to the imported good.
D.
this will tend to worsen the country's terms of trade.
查看完整题目与答案
【单选题】Suppose that the marginal propensity to import in country A is 0.20. It means that __________.
A.
country A’s marginal propensity to consume is 0.80
B.
country A’s imports are greater than its exports by 20%
C.
if country A’s residents increases their disposable income by $100, $20 will be used for imported goods and services
D.
$20 will be spent on imports for every $100  in country A
查看完整题目与答案
【判断题】探究研讨法的基本环节包括“探究”和“研讨”。()
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【多选题】下列关于硬胶囊壳的叙述错误的有
A.
胶囊壳主要由明胶组成
B.
空胶囊有平口和锁口两种
C.
囊壳在37℃水中振摇15min，应全部溶散
D.
加入二氧化钛使囊壳易于识别
E.
囊壳编号数值越大，其容量越大
查看完整题目与答案
【多选题】根据国际标准化组织的建议,运输标志的主要内容包括( )。
A.
目的地名称或代号
B.
收货人代号
C.
货物条形码
D.
件号
查看完整题目与答案
【单选题】Suppose that a country experiences growth strongly biased toward its export, cloth,
A.
this will tend to worsen the country's terms of trade.
B.
this will tend to improve the country's terms of trade.
C.
this will tend to leave the country's terms of trade unchanged.
D.
this will tend to worsen the terms of trade for the country's trading partner.
E.
this will increase the price of cloth relative to the imported good.
查看完整题目与答案
【单选题】标准的ASCOT研讨会研讨会的程序有()个内容。
A.
3
B.
4
C.
5
D.
6
查看完整题目与答案
【简答题】请作答：手提式氧气瓶在使用时候的注意事项。
查看完整题目与答案
【判断题】E值越大,越容易溶解
A.
正确
B.
错误
查看完整题目与答案
【单选题】Suppose that a country experiences growth strongly biased toward its export, ( )
A.
this will tend to leave the country's terms of trade unchanged.
B.
this will tend to worsen the country's terms of trade.
C.
this will increase the price of cloth relative to the imported good.
D.
this will tend to improve the country's terms of trade.
查看完整题目与答案
【单选题】Suppose that a country experiences growth strongly biased toward its export, cloth,
A.
this will tend to leave the country's terms of trade unchanged.
B.
this will tend to improve the country's terms of trade.
C.
this will increase the price of cloth relative to the imported good.
D.
this will tend to worsen the country's terms of trade.
查看完整题目与答案
【单选题】Suppose that the marginal propensity to import in country A is 0.20. It means that __________.
A.
country A’s marginal propensity to consume is 0.80
B.
country A’s imports are greater than its exports by 20%
C.
if country A’s residents increases their disposable income by $100, $20 will be used for imported goods and services
D.
$20 will be spent on imports for every $100  in country A
查看完整题目与答案
【判断题】探究研讨法的基本环节包括“探究”和“研讨”。()
A.
正确
B.
错误
查看完整题目与答案