2.通过模仿、操作、探索,经历通过设计程序框图表达解决问题的过程。在具体问题的解决过程中(如,三元一次方程组求解等问题),理解程序框图的三种基本逻辑结构:顺序、条件分支、循环。
1.通过对解决具体问题过程与步骤的分析(如,二元一次方程组求解等问题),体会算法的思想,了解算法的含义;
60. Here ____ a pen, a few pencils and some paper for you.
A. are B. is C. was D. were
59. Tom is the only one of the students who ____ going to swim this afternoon.
A. is B. was C. are D. were
58. Many a man ____ the novel.
A. has read B. have read C. is read D. are read
57. More than 60% of the students ____ the countryside.
A. is B. are C. is from D. are from
56. It is I who ____ going to attend the meeting tomorrow.
A. is B. am C. are D. be
55. His family ____ a big one. Now the family ____ watching TV.
A. is, are B. are, is C. is, is D. are, are
54. She as well as her brother ____ a League member.
A. are B. were C. will D. is
53. An iron and steel works, with some satellite factories, ____ to be built here.
A. are B. were C. is D. will