Mark the letter A, B, C, or D to indicate the correct answer.

_____ sources are free from bias and based on strong evidence.
1. Credible
2. Popular
3. Accessible
4. Powerful
The saola, whose population is fewer than 250 mature individuals, is one of the world's _____ mammals and is only found in Viet Nam.
1. scariest
2. most natural
3. rarest
4. most threatening
The website is _____ with new information every day.
1. updated
2. protected
3. spread
4. interacted
AI-based _____ in education may pose a risk to students' privacy.
1. poaching
2. applications
3. chatbots
4. recognition
The new website for students will be good _____ for our school.
1. source
2. platform
3. function
4. publicity
Although some animal species are living in extreme weather conditions, they can still _____.
1. protect
2. survive
3. update
4. exploit
Robots are _____ to perform specific tasks such as cleaning rooms or moving heavy boxes.
1. conserved
2. threatened
3. rescued
4. programmed
Scientists _____ the data collected from their field trip to China.
1. carried out
2. analysed
3. preserved
4. protected