题目

.微量元素硒（Se）对人体有保健作用，已知硒为第4周期第ⅥA族元素，根据它在元素周期表中的位置推测，下列对硒元素性质的描述不正确的是（）。A.硒化氢不稳定B.最高价氧化物的化学式是SeO3C.硒与铁反应可生成FeSeD.酸性强弱顺序：HClO4>H3AsO4>H2SeO4 答案：D B        had just gone to bed after a very hard day when the phone rang．It was a strange farmer．I had never met him before although I had often heard people talk about him．He sounded quite nervous and he had been talking for a minute or so before I understood anything．Even then all I could make out was that someone called Milly had had a very bad accident．I really didn’t know who she was but I had to go．        It had been snowing heavily that day and I didn’t know the way．I had been driving for at least an hour when I finally found his place．He was standing there, waiting for me．It seemed that Milly had died．“She meant more to me than anyone even my own wife!” he said．I could see that he had been crying．I thought something terrible had taken place, a possible scandal（丑闻）．I was even more surprised when he told me he had put her in the barn（厩）．“I couldn’t leave her in the cold!” he said．Milly had clearly been a secret lover of his．I was about to tell him he could not expect me to cover anything up when he opened the barn door．He lifted his candle and I saw a dark figure on the ground．        “She was such a good cow! I wouldn’t let anyone except a doctor touch her!” he said and cried again． 60．The farmer wished that the writer might         ．        A．look into the matter                          B．bring Milly back to life      C．free him from a scandal                       D．keep the whole thing a secret[ 61．The underlined phrase in the first paragraph means “       ”．      A．expect      B．understand     C．see clearly       D．hear clearly 62．Before he arrived at the farmer’s house, the writer expected to see Milly lying         ．      A．on the ground of a barn                B．on the floor of a room      C．in bed in a room                      D．in bed in a barn 63．What do we know about Milly for the story?        A．She had met with an accident．     B．She had caused a scandal．      C．She was seriously ill．                 D．She was hidden somewhere． 64．The person who told the story is probably a        ．        A．farme       B．policeman      C．country doctor       D．newspaper re5-6porter