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【单选题】
Java中关于if条件结构描述错误的是( )。A.
if条件结构是根据条件判断之后再做处理的一种语法结构。
B.
关键字if后小括号里必须是一个条件表达式，表达式的值必须为布尔类型
C.
if后小括号里表达式的值为false时，程序需要执行大括号里的语句
D.
if语句可以和else一起使用
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【简答题】当溶液的pH越接近等电点,氨基酸净电荷越____,离子移动速度越____。
【单选题】We can offer you the goods high quality reasonable price.
A.
of … with
B.
of … at
C.
with … at
D.
with … of
【单选题】The spot price of the market index is $900. After 3 months the market index is priced at $920. The annual rate of interest on treasuries is 4.8% (0.4% per month). The premium on the long put, with an ...
A.
$15.00 gain
B.
$15.00 loss
C.
$6.90 gain
D.
$6.90 loss
【单选题】The spot price of the market index is $900. The annual rate of interest on treasuries is 4.8% (0.4% per month). After 3 months the market index is priced at $920. An investor has a long call option on...
A.
$2.00 gain
B.
$2.00 loss
C.
$2.02 gain
D.
$2.02 loss
【单选题】We can offer you the goods high quality reasonable price.
A.
of; at
B.
of; with
C.
with; at
D.
with; of
【单选题】We offer these goods subject _________ their being unsold on receipt of your order:
A.
in
B.
with
C.
on
D.
To
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