5. According to the passage, why does the dream of a past cave trip matter?
(A) It may be related to solving maze problems.
(B)It shows the strength of the dreamer’s good memory.
(C)The interruption of a dream brought more positive effects.
(D)The cave layout enhances the dreamers’ problem-solving abilities.

1. What is the study reported in the passage mainly about? (A) The prevalence of dreams. (B) The memory function of dreams. (C) The relations between mazes and caves. (D) The design rationale of dream experiments.

2. Which of the following can best describe the organization of the second paragraph? (A) Cause and effect. (B) Process and result. (C) Comparison and contrast. (D) Problems and solutions.

3. What did Erin Wamsley find out about dreaming and maze performance? (A) There is a positive relation between the two. (B) The length of the nap matters； the longer, the better. (C) Performance after dreaming needs to be tested and retested. (D) The average improvement is half minute quicker after dreaming.

4. What does “they” in the first line of the fourth paragraph refer to? (A) Mazes. (B) Dreams. (C) Dreamers. (D) Brains.

6. What is the passage mainly about? (A) The pandemic and people’s relationships. (B) Big tech companies and small ones. (C) Working remotely and physical offices. (D) Experienced employees and new ones.

7. According to the passage, which of the following is true? (A) The pandemic has saved employers a lot of money by putting their business on hold. (B) Working remotely has its advantages and problems. (C) Open-plan offices help people concentrate on their work. (D) People might dislike working remotely at first, but will gradually like it after a few months.

8. What can be inferred from the passage? (A) Socializing is beneficial for building a trusting relationship between employees. (B) Open-plan offices have been challenged in the past twenty years. (C) Having a physical office in the city center is essential for business development. (D) The pandemic makes the open-plan office become popular again.

9. Why does John Sweeden want to build an office with much of it being“a place where zero work gets done?” (A) Efficiency is not a concern for his business. (B) He is being sarcastic and is actually implying the opposite. (C) He thinks building social relationships is important for employees and the company. (D) He wants to encourage employees to stay longer at the office and therefore work more.

10. How are the first two paragraphs related to each other? (A)The second paragraph offers a solution to the problems mentioned at the end of the first paragraph. (B)The first paragraph introduces a new trend and the second paragraph gives some concrete examples. (C)The first paragraph talks about a phenomenon in the past and the second paragraph describes the current situation. (D)The second paragraph explains in detail the problems mentioned at the end of the first paragraph.

11. What is the passage mainly about? (A) A traditional public bathhouse. (B) A type of Native-American housing. (C) A new way to enjoy a traditional food. (D) A Native-American ritual.