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【单选题】
A: What did your son say in the letter? B: He told me that he _____ the Disney World the nest day.(书101页活动2)A.
will visit
B.
has visited
C.
is going to visit
D.
was going to visit
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【单选题】有三种溶液分别是NaCl、CaCl 2 、C 6 H 12 O 6 ,它们的浓度均为0.1mol/L,按渗透压由高到低排列的顺序是
A.
CaCl 2 ﹥NaCl﹥C 6 H 12 O 6
B.
C 6 H 12 O 6 ﹥CaCl 2 ﹥NaCl
C.
NaCl﹥C 6 H 12 O 6 ﹥CaCl 2
D.
C 6 H 12 O 6 ﹥ NaCl﹥CaCl 2
【简答题】完形填空。 Li Lei is a student 1 Class Two, Grade Seven. He likes football very 2 . He often plays it after school. And he often goes home 3 . His home is 4 the school. His mother doesn't worry 5 him. One ...
【单选题】'What does your father do?' ' _______.'
A.
He likes football.
B.
He is 40.
C.
He is a doctor.
D.
She is a worker.
【简答题】（11分）有关物质的量的计算。 （1）有NaCl、CaCl 2 、AlCl 3 三种溶液，若溶质的物质的量相等，分别与足量的硝酸银溶液反应，则生成沉淀的物质的量之比为________________.若生成的沉淀的质量相等，则三种溶液中溶质的物质的量之比为__________。 （2）相同质量的SO 2 和SO 3 ，所含分子的数目之比为_________；所含O的物质的量之比为________。...
【单选题】He likes football , so he football every day.
A.
play ; play
B.
playing ; play
C.
playing ; plays
D.
plays ;plays
【单选题】He likes football very much. He wants _____ a football player. He likes football very much. He wants _____ a football player.
A.
is
B.
being
C.
to be
D.
become
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