A．difficultiesB．phenomenaC．problemsD．situations
A: difficulties
B: phenomena
C: problems
D: situations
A: difficulties
B: phenomena
C: problems
D: situations
举一反三
- In what situation is the invitation letter often used A: Formal situations B: Informal situations C: Both formal and informal situations
- What are the band’s songs often about? A: their cultural traditions B: difficult situations they dealt with C: being happy and forgetting about problems
- Causal research is used to ________. A: .test hypotheses about cause-and-effect relationships B: gather preliminary information that will help define problems C: find information at the outset in an unstructured way D: describe marketing problems or situations
- “What's up, my lady?” A: more formal situations B: more informal situations C: any situation D: neve
- This system could be helpful in situations such as （）.