题型:问答题 简答题 Betty_____ fifty-six yuan for the new dictionary last week. [ ]A. paid B. spentC. took D. cost 查看答案
题型:问答题 简答题 —Who else do you know at the party _______ Jim and Tom? —Lucy and Lily. [ ]A. in B. next C. amongD. besides 查看答案
题型:问答题 简答题 静定梁按跨数不同分为单跨静定梁和多跨静定梁。计算单跨静定梁的内力时,应()。A.求出梁支座反力后再用截面法求出内力B.求出梁支座反力后再用截面法求出外力C.求出梁的内力后再用截面法求出支座反力D.用截面法求出支座反力后再求出梁的内力 查看答案