All mammals have hair, but notalways evident.
A: but it is not
B: but it is
C: but they are not
D: but they are
A: but it is not
B: but it is
C: but they are not
D: but they are
举一反三
- All<br/>mammals have hair, (but not) ____ always evident. A: but<br/>it is not; B: but<br/>it is; C: but<br/>they are not; D: but<br/>they are;
- Which of the following are deductive arguments？ A: All dogs are mammals. All mammals have kidneys. Therefore all dogs have kidneys. B: Since all squares are rectangles, and all rectangles have four sides, all squares have four sides. C: All science teachers are smart, since all my physics teachers, chemistry teachers and biology teachers are smart. D: The sun is a star; the sun has planets; therefore some stars have planets.
- What does the man suggest the woman do with her hair A: Have it cut short. B: Have it dyed. C: Do a perm. D: All the above.
- This is an old photograph of me when I （） A: have short hairs B: had short hairs C: have short hair D: had short hair
- To have highlights on the hair" means "To get strands of hair bleached." ( )