【题目】Can you tell the ________ difference between the words “require” and “request”? I sometimes get puzzled by their meanings.
A.dramatic
B.regional
C.apparent
D.subtle

【答案】D
【解析】句意：你能区分“require”和“request”的细微差别吗？A.dramatic“戏剧性的”；B.regional“地域性的”；C.apparent“显然的”；D.subtle”细微的”。根据句意，选D。