皮皮学，免费搜题
登录
搜题
【单选题】
煮沸灭菌时水中加入何种药物可将沸点提高到105°
A.
碳酸氢钾
B.
碳酸氢钠
C.
碳酸钙
D.
亚硝酸
E.
乳酸钠
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
【简答题】A painting by Chinese artist Qi Baishi set a record for modern art and calligraphy (书法) on the mainland when it sold for 425.5 million yuan at an auction (拍卖) on May 22. The sale was a milestone (里程碑)...
查看完整题目与答案
【判断题】糖尿病孕妇中，80%以上为妊娠合并糖尿病，不足20%为妊娠期糖尿病。（　）
A.
正确
B.
错误
查看完整题目与答案
【简答题】A number of multinational enterprises taking advantage of lower wages and labour standards abroad ___________ recently ___________ of practising unfair competition.2.Arnontov's last painting, Crescend...
查看完整题目与答案
【单选题】In foreign trade, is often used in consignment, auction and exhibition. It adapts to the business in fresh goods, antique, handcraft and calligraphy and painting.
A.
Quality as per Seller's Sample
B.
Sa l e by Actual Quality
C.
Sale by Sample
D.
Sale by Standard
查看完整题目与答案
【简答题】Complete the following sentences with appropriate collocations. 1. The foreign art collector has___________ a bid of $50,000,000___________ the authentic painting of Vincent Van Gogh in the latest art...
查看完整题目与答案
【单选题】In foreign trade, ( ) is often used in consignment, auction and exhibition. It adapts to the business in fresh goods, antique, handcraft and calligraphy and painting.
A.
Sale by sample
B.
Sale by actual commodity
C.
Sale by grade
D.
Sale by brand or trade mark
查看完整题目与答案
【判断题】糖尿病孕妇中,80%以上为妊娠期糖尿病,不足20%为糖尿病合并妊娠
A.
正确
B.
错误
查看完整题目与答案
【单选题】某一方法经反复测定所得出的结果很接近于真值，说明该方法
A.
准确性高
B.
精密度高
C.
灵敏度高
D.
重复性好
E.
以上均可
查看完整题目与答案
【单选题】关于月经期子宫内膜的变化,下述何项是错误的 ?
A.
内膜剥脱出血持续 3 ～ 5 天
B.
仅子宫内膜功能层发生脱落
C.
子宫腺全部脱落
D.
螺旋动脉发生痉孪性收缩
E.
内膜基底层子宫腺细胞开始增生
查看完整题目与答案
【简答题】由于系统误差是由某些固定的因素引起的,因此在相同的条件下,重复测定时会____,其____和____有一定的规律,因而是可被测定的,故也称之为____误差。如果测定结果的精密度很好,但准确度不高,可以认为是测定过程中有____误差存在的缘故。
查看完整题目与答案
相关题目：
【简答题】A painting by Chinese artist Qi Baishi set a record for modern art and calligraphy (书法) on the mainland when it sold for 425.5 million yuan at an auction (拍卖) on May 22. The sale was a milestone (里程碑)...
查看完整题目与答案
【判断题】糖尿病孕妇中，80%以上为妊娠合并糖尿病，不足20%为妊娠期糖尿病。（　）
A.
正确
B.
错误
查看完整题目与答案
【简答题】A number of multinational enterprises taking advantage of lower wages and labour standards abroad ___________ recently ___________ of practising unfair competition.2.Arnontov's last painting, Crescend...
查看完整题目与答案
【单选题】In foreign trade, is often used in consignment, auction and exhibition. It adapts to the business in fresh goods, antique, handcraft and calligraphy and painting.
A.
Quality as per Seller's Sample
B.
Sa l e by Actual Quality
C.
Sale by Sample
D.
Sale by Standard
查看完整题目与答案
【简答题】Complete the following sentences with appropriate collocations. 1. The foreign art collector has___________ a bid of $50,000,000___________ the authentic painting of Vincent Van Gogh in the latest art...
查看完整题目与答案
【单选题】In foreign trade, ( ) is often used in consignment, auction and exhibition. It adapts to the business in fresh goods, antique, handcraft and calligraphy and painting.
A.
Sale by sample
B.
Sale by actual commodity
C.
Sale by grade
D.
Sale by brand or trade mark
查看完整题目与答案
【判断题】糖尿病孕妇中,80%以上为妊娠期糖尿病,不足20%为糖尿病合并妊娠
A.
正确
B.
错误
查看完整题目与答案
【单选题】某一方法经反复测定所得出的结果很接近于真值，说明该方法
A.
准确性高
B.
精密度高
C.
灵敏度高
D.
重复性好
E.
以上均可
查看完整题目与答案
【单选题】关于月经期子宫内膜的变化,下述何项是错误的 ?
A.
内膜剥脱出血持续 3 ～ 5 天
B.
仅子宫内膜功能层发生脱落
C.
子宫腺全部脱落
D.
螺旋动脉发生痉孪性收缩
E.
内膜基底层子宫腺细胞开始增生
查看完整题目与答案
【简答题】由于系统误差是由某些固定的因素引起的,因此在相同的条件下,重复测定时会____,其____和____有一定的规律,因而是可被测定的,故也称之为____误差。如果测定结果的精密度很好,但准确度不高,可以认为是测定过程中有____误差存在的缘故。
查看完整题目与答案