DSA成像方式中,K-缘减影又称为
A.混合减影B.路标减影C.脉冲减影D.时间减影E.能量减影
参考答案:E
解析:能量减影也称双能减影,K-缘减影。
统一战线是中国革命和建设胜利的一个法宝,历次统一战线的共同点是()
A.坚持反帝反封建
B.坚持调动一切积极因素
C.坚持社会主义正确方向
D.持中 * * 党领导
Something interesting always happens(发生) in our life. John is a doorman(看门人) of a club in a big city. Every day hundreds of people pass his door and a lot of them stop and say to him, “①What’s the time, please?”
A few days later, John thinks, “②I don’t want to this same(相同的) question, I’m going to the shop and a big clock. Then I’m going to put it up on the wall here.” He buys a clock and puts it up on the wall.
“③No people are going to ask me the time again,” he says happily. But after that, a lot of people also stop every day, look at the clock and say to John, “Is that clock right?”
小题1:写出划线部分①的同义句。
小题2:在②句的空白处分别填入一个适当的词使句意完整、上下文通顺。
小题3:将句③译成中文。
小题4:What’s John’s job?
小题5:找出或写出最能表达该短文主题的句子: