（2015•资阳）下列关于人体消化的叙述，正确地是（    ）

Directions: After reading the passages below, fill in the blanks to make the passages coherent and grammatically correct. For the blanks with a given word, fill in each blank with the proper form. of the given word; for the other blanks, use one word that best fits each blank.

Ask helpful Hannah

Dear helpful Hannah,

I’ve got a problem with my husband, Sam. He bought a smart phone a couple of months ago and he took it on our recent ski vacation to Colorado, it was a great trip except for one problem. He has a constant urge____  for next messages; he checks his phone every five minutes! He’s so addicted to it that he just can’t stand the idea ____   there may be an important text. He can’t help checking even at inappropriate times like when we are eating in a restaurant and I am talking to him! He behaves____  any small amount of boredom can make him feel the need to check his phone even when he know he shouldn’t. The temptation to see ____  is connecting him is just too great. When I ask him to put down the phone and stop ____  (ignore) me, he say, “In a minute.” but still checks to see if____        has posted something new on the Internet. Our life ____ (interrupted). If we go somewhere and I ask him to have the phone at home, he suffers from withdrawal symptom. May this dependency on his smart phone has become more than an everyday problem.

   I recently read an article about “nomophobia,”____  is a real illness people can’t suffer from the fear of being without your phone! I am worried that Sam maybe suffering from this illness because he feels anxious if he doesn’t have his phone with him, even for a short time.

  Who would have thought that little devices like these could have brought so much trouble!                                                                                                                                     

Sick and Tired Sadie

在图所示电路中，电源电压6V保持不变。只闭合开关S₁，电流表示数为0.2A；再闭合开关S₂，电流表示数变化了0.4A。则R₂的阻值为____ Ω，S₂闭合前后R₁消耗的电功率相差____ W。

阅读下列文段，完成文后的三道题。
        青春的活力占了上风。伤寒没能致柯察金于死地。保尔第四次越过了死亡线，回到了人间。只是又过了一个月以后，他才能起床下地。骨瘦如柴、脸色苍白的保尔，拖着绵软的鞋子站起身来，扶着墙壁，想在房间里走走。在母亲的搀扶下，他走到了窗边，在那儿久久地望着屋外的道路。雪融化后形成的一个个小水洼，闪闪发亮。屋外是冰雪初融的早春天气了。窗户跟前的樱桃树上，神气活现地站着一只灰胸脯的雀儿，不时用狡黠的小眼睛偷偷地瞧保尔一眼。“怎么，我是和你一起熬过冬天的吗?”保尔用手指敲着窗户，轻声地说。母亲惊诧地看了他一眼：“你在那儿跟谁说话?”“跟雀儿……它飞走了，真狡猾。”他无力地笑了一下。