用普通车刀横车时,当刀尖安装低于工件的中心线,其对前、后的影响是()
A、前角增大,后角增大
B、前角增大,后角减少
C、前角减少,后角增大
D、前角减少,后角减少
参考答案:C
单词拼写。
根据下列句子及所给汉语注释,在横线上写出空缺处各单词的正确形式,每空只写一词。
1. He was active in politics and was strongly against ________ (奴隶制度).
2. English and ________ (美国的) spellings of some words are different.
3. His short-term ________ (记忆) was damaged in the accident.
4. The ________ (正常的) temperature for a human being, no matter in what part of the world he
lives, is about 37℃.
5. Employers usually ________ (偏爱) candidates with some previous experience of the job.
6. We can save words by ________ (安排) the sentence like this.
7. In the US, winter wheat is ________ (收割) in the early summer.
8. I do not think there can be any doubt that she'll ________ (克服) the difficulty.
9. Neither recorders nor ________ (照相机) are allowed in the theatre.
10. He said that he hadn't been treated ________ (公平地) by the policeman.
病历摘要:处方:乳糖88.8g糖粉38.0g10%硝酸甘油乙醇溶液0.6g硝酸甘油淀粉浆适量硬脂酸镁1.0g制成1000片(每片含硝酸甘油0.5mg)
下列关于硝酸甘油片的叙述错误的是()
A.首先制成空白颗粒,将硝酸甘油的乙醇溶液拌入空白颗粒的细粉中
B.为缩短干燥时间,应在80℃干燥
C.作为舌下片,硝酸甘油片的硬度不宜大
D.应注意混合的均匀性,可过两次筛
E.制备过程中应防止受热