【简答题】为预防老年人骨质疏松,膳食中应增加富含()的食物。
【单选题】为预防老年人骨质疏松,膳食中应增加富含 的食物:
【单选题】Which of the following is not considered an "owned" reserve?
C.
Special drawing rights
【单选题】为预防老年人骨质疏松,膳食中应增加富含 的食物
【单选题】为预防老年人骨质疏松,膳食中应增加富含 的饮食
【单选题】In order to make our city green, .
A.
it is necessary to have planted more trees
B.
many more tress need to plant
C.
we must plant more trees
D.
our city needs more trees
【单选题】We welcome you to our city. you ______to our city.
【简答题】PHP 中有很多以两个下划线开头的方法,称之为 【 】。