Children and the elderly are the most ____ to flu infection, so they should get vaccinated as early as possible.
Afashionable
Bconsiderable
Cvariable
Dvulnerable正確答案
答案與詳解
為什麼答案是 D
vulnerable to + N 為固定搭配，意為「易受…傷害／感染的」。兒童與老人免疫力較弱，是流感高風險族群，語意與搭配完全正確。
考點：時尚的考點：可觀的考點：多變的考點：易受傷害的
載入中…
