【单选题】人力资源的需求量主要是根据(C)来确定。
【简答题】People tend to become more personal and hide less of themselves when using email . Researchers from Open University in Britain have found in a recent study that there are good reasons for this . The t...
【简答题】阅读理解:Mr Guo is a teacher from Xi’an. He asked his students to hand in their homework through a QR code (二维码). “We spent an hour or two in class learning how to generate (使产生) the codes, and in the end...
【单选题】In the old days, when schools wanted to communicate with parents, they sent a letter home. Now, in addition to email, schools and parents can connect through social media like Twitter, Facebook and Sk...
【单选题】When having questions about things like their timetables, students tend to______.
A.
communicate with their instructors directly
B.
contact the public office set by the university
C.
call or email another student for the information
D.
post messages and seek help on the internet
【简答题】B People tend to become more personal and hide less of themselves when using email. Researchers from Open University in Britain have found in a recent study that there are good reasons for this. The t...
【多选题】下列医疗用品的卫生标准中正确的是
A.
进入人体无菌组织、器官或接触破损皮肤、粘膜的医疗用品必须无菌
B.
接触粘膜的医疗用品细菌菌落总数应≤20cfu/g或100cm ;不得检出致病性微生物
C.
接触皮肤的医疗用品细菌菌落总数应≤200cfu/g或100cm ,致病性微生物不得检出
D.
使用中消毒剂细菌菌落总数应≤100cfu/mL,不得检出致病微生物
【多选题】母亲的核型为45,-14,-21,+t(14q21q),父亲核型正常,其存活的后代可能是
【多选题】数据压缩方法种类繁多,大致可分为哪两大类