【单选题】In the sentence 'Three-quarters of respondents thought it important to compare their incomes with others', the italicized part is a(n)______.
【单选题】选择:明日は王さん( )テニスをします。
【简答题】For sizable regions, this power system is known as the _______.
【简答题】植物病害的症状类型有 、 、 、 和 。