1. What is the primary goal of the research project?
A. To analyze the market trends.
B. To improve customer satisfaction.
C. To develop a new product line.
D. To enhance employee training.
答案：A. To analyze the market trends.
2. The sentence "The novel was a critical success, earning both critical acclaim and commercial success." is an example of which literary device?
A. Alliteration.
B. Simile.
C. Metaphor.
D. Personification.
答案：C. Metaphor.
3. In the equation 2x + 5 = 19, what is the value of x?
A. 7
B. 8
C. 9
D. 10
答案：B. 8
4. Which of the following is a key component of a healthy diet?
A. High levels of saturated fats.
B. Moderate consumption of sugars.
C. A variety of fruits and vegetables.
D. Excessive intake of processed foods.
答案：C. A variety of fruits and vegetables.
5. The process of photosynthesis in plants primarily converts which substances into glucose?
A. Carbon dioxide and water.
B. Oxygen and sunlight.
C. Nitrogen and soil.
D. Sulfur and water.
答案：A. Carbon dioxide and water.
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