某课外小组的同学，制备有关物质所设计的下列途径中，正确的是( ) A．CaOCa
题型：选择题
问题：
某课外小组的同学，制备有关物质所设计的下列途径中，正确的是( )
A．CaO
Ca(OH)2溶液
NaOH溶液
B．Cu
CuO
CuSO4溶液
C．Fe
FeCl3溶液
Fe(OH)3沉淀
D．H2
HCl
NaCl溶液
题型：选择题
No More Time Out  Shawn and Thomas had always been good friends. They lived near each other, and they both loved __36__.They played baseball, touch football, and kickball. They also liked to play soccer, shoot baskets, and skateboard.When they were in the fourth grade, though, Thomas broke his __37__ in a soccer game. He had to be on crutches for six weeks. Shawn __38__ Thomas, but what was there to do? Shawn didn’t like television or computer games. Thomas didn’t like to sit and talk. After trying three times to start a conversation, Shawn __39__ up. He said, “I’m out of here.” For days, Shawn __40__at home, feeling guilty for not visiting Thomas again. Thomas stayed home, too, feeling __41__because Shawn wasn’t visiting him. After a week, Shawn’s mom spoke up. “It’s time for you and Thomas to get back into action! That’s why I spoke to Ms McNulty at the library. She has the perfect volunteer job for you both,” she said. Shawn said __42__. His mom continued, “The library sells used books to raise money. People are always __43__off books in bags and boxes. Someone has to carry the books to the storage room. Someone has to sort them into fiction (小说) and nonfiction. You and Thomas can be a team __44__.”“No, we can’t!” said Shawn. “He and I don’t want a job.” However, Shawn’s mom wouldn’t __45__ no for an answer. Sure enough, __46__the boys began, things changed. Shawn felt strong as he carried bags and boxes through the library. Sorting books in the storage room, Thomas felt useful again. In fact, one day Thomas said, “Between you and me, Shawn, this isn’t so __47__.” Shawn smiled and agreed. They were a good team. 301 words
|