托?？荚噺膶龠B詞全真例題分析

托?？荚噺膶龠B詞全真例題分析
    (1)The spiral threads of a spider*s web have a sticky substance on them ------- insects。
    (A) traps
    (B) trap its
    (C) which traps
    (D) which it traps (92.1)
    ［答案］ C 定語(yǔ)從句關(guān)系代詞which引導(dǎo)從句，且在從句中作主語(yǔ)。
    (2)Angiosperms inhabit relatively diverse environments and may be found ------- higher plants can survive。
    (A) there
    (B) wherever
    (C) somewhere
    (D) then (92.5)
    ［答案］ B 空格前后為兩個(gè)完整的句子，這里應(yīng)填入連接詞聯(lián)系主從兩句。四個(gè)選擇只有wherever是連詞，引導(dǎo)地點(diǎn)狀語(yǔ)從句。
    (3)Duke Wellington was a composer. Conductor， and pianist ------ ranked as one of the greatest of all jazz figures。
    (A) him
    (B) although
    (C) or
    (D) who (92.10)
    ［答案］ D 關(guān)系代詞who引導(dǎo)定語(yǔ)從句，并作從句的主語(yǔ)。
    (4)-------。 Some of the Earth*s interior heat escapes to the surface。
    (A) A volcano erupts
    (B) A volcano whether erupts
    (C) A volcano erupts it
    (D) If a volcano erupts (93.5)
    ［答案］ D 從屬連詞引導(dǎo)條件狀語(yǔ)從句。