问题
选择题
Our milk powder is especially suitable for children under 6, as it helps a lot to build the body's natural ________.
A．reservation
B．defence
C．variety
D．heritage
答案
答案：B
名词辨析。reservation预约；预订；自然保护区防护; defence防御；variety 种类；heritage继承物;遗留物;传统。句意：我们的奶粉特别适合6岁以下的儿童。因为它能增强身体的抵御能力。
