______the population is too large, the government has to take measures to contro

游客2023-10-06  28

问题 ______the population is too large, the government has to take measures to control the birth rate.

选项 A、Although
B、Since
C、If
D、Until

答案 B

解析 该题考查关系连词。从语法上分析,该两个分句中,前面是从句,后面是主句。从句子意义来看,它们之间是因果关系。4个选项中,although意为“尽管”,用来引导让步状语从句;而since的意思是“由于”,用来引导原因状语从句;If“如果”,引导条件状语从句;until“直到……”,引导时间状语从句。可见,最佳选择是B。
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