6.混合膳食中食物特殊動力作用所消耗的能量約占總能量的比例是(　　　)

A.5％                                                               B.10％

C.15％                                                             D.20％

7.抑制鋅吸收的膳食因素是(　　　)

A.鈣                                                                B.植酸

C.維生素C                                                      D.脂肪

8.含膽固醇量高的食物是(　　　)

A.動物內(nèi)臟                                                      B.糧谷類

C.牛奶                                                             D.豆制品

9.含碘高的食物是(　　　)

A.蔬菜類                                                         B.海產(chǎn)品

C.大豆制品                                                      D.糧谷類

10.世界衛(wèi)生組織界定，孕晚期婦女貧血判斷標(biāo)準(zhǔn)是(　　　)

A.Hb≤100g／L                                                B.Hb≤110g／L

C.Hb≤120g／L                                                D.Hb≤140g／L