Which of the following sentences is not a claim?
A: Life exists on planets other than Earth.
B: Dare to stay off drugs!
C: Something's force equals its mass multiplied by its acceleration.
D: Joe owns a pet dog.
A: Life exists on planets other than Earth.
B: Dare to stay off drugs!
C: Something's force equals its mass multiplied by its acceleration.
D: Joe owns a pet dog.
举一反三
- A: Whose dog is it? B:（）our dog. （） name is Rex A: It’s；It’s B: Its；Its C: It’s；It
- As a block slides down a frictionless incline, which of the following statements is true? A: Both its speed and acceleration increase. B: Its speed and acceleration remain constant. C: Its speed increases and its acceleration remains constant. D: Both its speed and acceleration decrease. E: Its speed increases and its acceleration decreases. F: None of these.
- According to Newton's principle ______. A: the force of gravity keeps planets orbiting around the sun rather than flying off B: the sun is the most massive object, making up 99.8 percent of the mass of the solar system C: the amount of mass determine how fast the objects travel as they orbit each other D: Pluto receives the least force of gravity from the sun of all the planets in the solar system
- Which of the following is not the prediction of Stephen Hawking? （ ） A: There are other life forms in the universe. Once our civilization is discovered, aliens may invade the earth. B: The earth will explode into ashes within 100 years. C: Humans will choose to emigrate to other planets in the future. D: The popularity of artificial intelligence (A E: will eventually threaten humanity itself.
- Which dog expression explains “a situation in which people compete very hard and will do anything to be successful”? A: Dog eat dog. B: Every dog has its day. C: The dog days of summer.