The seller was trying to sign a substantial order（）
A. that is made with certain conditions.
B. that you have finalized the delivery dates.
C. then he could get a large discount.
D. to be more flexible over terms of payment.
患者，男，73岁，尿频、尿急半年余，PSA显著升高，为排除前列腺癌，最重要的检查方法（）
A. 排泄性尿路造影
B. 逆行肾盂造影
C. B超
D. MRI
E. 腹部平片
王某一次取得劳务报酬收入1万元，计算其应缴纳的个人所得税；若王某一次取得劳务报酬收入4万元，其应缴纳的个人所得税应为多少？
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