6．WHO建議嬰兒純母乳喂養(yǎng)至少到(      )

A．3個(gè)月                                                     B．4個(gè)月

C．5個(gè)月                                                     D．6個(gè)月

7．嬰兒應(yīng)首先添加的輔食為(      )

A．蛋黃                                                        B．米粉

C．蔬菜泥                                                    D．肉泥

8．中國(guó)成年女性鈣適宜攝入量為每人每天(      )

A．500mg                                                     B．800mg

C．1000mg                                                   D．1200mg

9．綠葉蔬菜中富含(      )

A．維生素A                                                 B．維生素B

C．β-胡蘿卜素                                              D．維生素D

10．鈣的最佳食物來源是(      )

A．蔬菜類                                                    B．魚類

C．糧谷類                                                    D．奶及奶制品