47（）
A: formal
B: serious
C: purposeful
D: aimless
A: formal
B: serious
C: purposeful
D: aimless
举一反三
- Application letters should not be _____ .( ) A: formal B: too long C: serious D: polite
- A(An) __________situation is one which is relaxed and friendly and not very serious or official. (formal)
- It is a serious breach of business etiquette to divulge information to others about a formal meeting. ( )
- Evolution<br/>by genetic drift is aimless, not adaptive.
- ORAL () A: minuscule B: spoken C: contented D: great E: purposeful