1.??A) He is a staff writer.

2.? B) They are curious and autonomous.

3.??C) He gives them encouragement.

4.???A) Her tastes in books changed.

5.???D) She is a successful entrepreneur.

6.???D) They were mostly failures.

7.???C) She could not find clothes of her size.

8.???D) Expand her business.

9.???A) Utilizing artificial intelligence to find a powerful new antibiotic

10.??B) Bacteria's resistance to antibiotics

11.??B) Predict whether compounds are toxic.

12.??C) By observation.

13.??D) They are harmless

14.??A) Mostly by chance.

15.??B) Listening carefully to the speaker.

16.??A) They don't treat patients with due respect.

17.??D) Note down the names of all the doctors and nurses.

18.??C) Passive.

19.??C) Its members stay in touch even after it breaks up.

20.??B) Their similarity is conducive to future collaboration.

21.??A) It is characterized by diversity.

22.??A) Putting aside twenty percent of one's earnings.

23.??D) It enables them to focus on long-term investments.

24.??D) They persist rather than get discouraged.

25.??B) They do not try to keep up with others.