1．A new system of quality control was brought in to overcome the defects in the firm’s products.
A) invested B) introduced C) installed D) insisted
答案及解析:B. 解題思路：借助畫線短語核心詞（bring）的基本含義—“帶來/引起”，并借助與畫線結(jié)構(gòu)相直接相關(guān)的結(jié)構(gòu)含義（質(zhì)量控制系統(tǒng)被。。）判斷B是答案。
Invest: vt.（常與in連用）投入（資金，精力，時間等）
e.g. Ive invested a lot of time and effort in this plan. (喻)
我已在這計劃中投入了大量的時間和精力
insist: vi, vt（常與on, that連用）主張；堅持, 堅持要求(賓語從句跟虛擬語氣結(jié)構(gòu))
e.g. We insist on / upon self-reliance.
我們堅持自力更生。
e.g. We all insist that we not rest until we finish the work.
大家都堅決要求不完工就不休息
A) invested B) introduced C) installed D) insisted
答案及解析:B. 解題思路：借助畫線短語核心詞（bring）的基本含義—“帶來/引起”，并借助與畫線結(jié)構(gòu)相直接相關(guān)的結(jié)構(gòu)含義（質(zhì)量控制系統(tǒng)被。。）判斷B是答案。
Invest: vt.（常與in連用）投入（資金，精力，時間等）
e.g. Ive invested a lot of time and effort in this plan. (喻)
我已在這計劃中投入了大量的時間和精力
insist: vi, vt（常與on, that連用）主張；堅持, 堅持要求(賓語從句跟虛擬語氣結(jié)構(gòu))
e.g. We insist on / upon self-reliance.
我們堅持自力更生。
e.g. We all insist that we not rest until we finish the work.
大家都堅決要求不完工就不休息