对外贸易在资本主义资本原始积累时期,为资本主义生产提供了()。
A.资本
B.劳动力
C.科学技术
D.土地
参考答案:A, D
—“Could we put off the meeting?”she asked.
—“_______,”he answered politely.“This is the only day everyone is available.”
A.Not likely
B.Not exactly
C.Not nearly
D.Not really
试述预防接种的反应及处理。