11．Be sure to take a trip to the waterfall       it's a long drive on a dirt road．It's well worth the trouble．（　�。�
A．only ifB．now thatC．even thoughD．in case

分析 即使要在土道上行駛很長(zhǎng)的路程，也一定要去瀑布旅行，這個(gè)麻煩是很值得的．

解答 答案C．only if"只要"，引導(dǎo)條件狀語(yǔ)從句；now that"既然"，引導(dǎo)原因狀語(yǔ)從句；even though"即使，盡管"，引導(dǎo)讓步狀語(yǔ)從句；in case"萬(wàn)一"，引導(dǎo)條件狀語(yǔ)從句．分析可知"        it's a long drive on a dirt road"和"Be sure to take a trip to the waterfall"之間是邏輯上的"讓步"關(guān)系，故只能用從屬連詞even though來(lái)引導(dǎo)從句，故答案選C．

點(diǎn)評(píng) 本題考查從屬連詞的用法．連詞的用法辨析，要注意分析主從句之間的邏輯關(guān)系，再確定相應(yīng)的連詞，同時(shí)注意不同的連詞的語(yǔ)義及用法區(qū)別．

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