题型：名词解释 My computer broke down. Luckily it was still under_______________,so I got it repaired free ofcharge. [ ]A. guarantee B. construction C. control D. consideration 查看答案
题型：名词解释 完形填空。 Tess was an eight-year-old girl when she heard her parents talking about her sick brother, Andrew. Only a 1 surgery could save him now and no one would 2 them the money. She heard Daddy sayto her tearful Mother with 3 . "Only a miracle can save him now." Tess went to her bedroom and 4 a glass jar from the closet. She poured all the change out on the floor and counted it 5 . No chance here for mistakes. Placing the coins back in the jar, she 6 out of the back door and made her way 6 7 to Rexall's Drug Store. She waited 8 so long but the pharmacist was too busy at this moment. "And what do you want?" the pharmacist asked in a(n) 9 tone of voice. "I'm talking to my brother from Chicago whom I haven't seen for ages," he said. "Well, I want to talk to you about my brother," Tess answered. "He's really, really sick and I want tobuy a 10 ." "I beg your pardon?" said the pharmacist. "My brother has something bad growing 11 his head and only a miracle can save him now. So howmuch does a miracle cost?" "Sorry, little girl. We don't sell miracles here." he said, 12 a little. The pharmacist's brother 13 down and asked her "What kind of a miracle does your brother need?" "I don't know," Tess replied with her eyes 14 up. "He needs an operation. But my Daddy can't pay for it,so I want to use my money." "How much do you have?" he asked."One dollar and eleven cents," she 15 . "It's the exact price of a miracle for little brothers. Take me to 16 your brother. Maybe I have the miracle you need." That well-dressed man was Dr Carlton Armstrong, a surgeon, 17 in neurosurgery. The operation was completed without charge and it wasn't long 18 Andrew was home again. "That surgery," Mom whispered, "was a(n) 19 miracle. I wonder how much it would have cost?" Tesssmiled. She knew exactly how much a miracle cost: one dollar and eleven cents plus the 20 of a little child. ( )1.A. cheap ( )2.A. loan ( )3.A. disappointment ( )4.A. pushed ( )5.A. chee.rfully ( )6.A. slipped ( )7.A. roads ( )8.A. patiently ( )9.A. upset ( )10.A. medicine ( )11.A. on ( )12.A. warming ( )13.A. dropped ( )14.A. clearing ( )15.A. whispered ( )16.A. visit ( )17.A. majoring ( )18.A. before ( )19.A. artificial ( )20.A. dream B. possible B. load B. amazement B. pulled B. hopefully B. skipped B. streets B. anxiously B. annoyed B. surgery B. outside B. brighlening B. leaned B. welling B. whistled B. check B. specializing B. since B. actual B. faith C. costly C. borrow C. frustration C. cast C. casually C. moved C. blocks C. angrily C. frustrated C. miracle C. inside C. lowering C. nodded C. breaking C. quoted C. examine C. investigating C. until C. exact C. idea D. impossible D. give D. desperation D. threw D. carefully D. scanned D. neighborhoods D. curiously D. disappointed D. operation D. at D. softening D. bent D. lighting D. promised D. see D. observing D. when D. real D. ambition 查看答案
题型：名词解释 砒霜中毒事件时有发生，砒霜的主要成分是三氧化二砷（As2O3），医生通常给砒霜中毒患者服用一定剂量的氧化剂解毒。下列有关叙述正确的是A．砷原子最外层有3个电子B．砷化氢（AsH3）比NH3稳定C．砷的+3价化合物有一定的还原性D．砷酸（H3AsO4）的酸性强于磷酸 查看答案