A:只有①
B:①②③⑤
C:①②④
D:只有⑤
当人体注射疫苗后,体内抗原、抗体含量会发生相应变化,下列图示中能正确表示这种变化的是( )
A. I am 165 centimetres tall.
B. Some people visit museums or parks.
C. They swept the streets with a broom.
D. I weigh 70 kilograms.
E. Students will have a picnic every month. !