【单选题】I (had spent) months (to build) my fiberglass boat, now that it was ready, I wanted (all my friends) to come and see (it).
【简答题】组合逻辑电路的输出仅取决于(__)而与原状态无关。
【单选题】I spent almost all my spare time ___________ the Internet.
【单选题】I spent almost all my spare time the Internet.
【单选题】I spent almost all my spare time ________ the Internet.
【单选题】有会计科目编码定义为4-2-3,编码300101表示是( )级代码
【单选题】一些生吃的蔬菜水果应进行清洗消毒,原因是( )。
B.
清洗消毒可以防止蔬菜水果受到污染,保证食品安全,预防食物中毒