A:I felt it impossible for him to take the exam.30.
B:I found it impossible that he might take the exam.31.
C:I thought that he might not take the exam.32.
D:In my opinion he might take the exam.
写出所给的单词。
① well ____
e
w
i
l
v
② goodbye____
p
g
o
d
b
y
s
③ today____
t
a
④ thank____
h
n
k
如图所示,把两个质量都为m的小球(可视为质点)用等长的绝缘细线悬挂在同一点上.两球带同种电荷,A球的电荷量为Q,B球的电荷量为4Q,平衡时两球相距为L.下列说法正确的是( )
If our marketing plan succeeds, we _______ the sales by thirty percent next year.
江苏省的面积约为102 600km2,这个数据用科学记数法可表示为____ km2.