—Yeah. With the help of him, his sister writes as ________ as him.
A:care
B:careful
C:more carefully
D:carefully
写出下列各数的相反数,并在数轴上把这些相反数表示出来:+2,﹣3,﹣(﹣1),﹣3.5,﹣(+2),﹣|﹣4|