如图，在离铁塔150米的 A 处，用测倾仪测得塔顶的仰角为 α ，测倾仪高 AD 为1.5米，则铁塔的高 BC 为 ( )
A． ( 1 . 5 + 150 tan α ) 米B． ( 1 . 5 + 150 tan α ) 米
C． ( 1 . 5 + 150 sin α ) 米D． ( 1 . 5 + 150 sin α ) 米
Believe in ________ and you can make it.
myself
yourself
himself
herself
I ________ a party next Saturday. I hope you can come.
had
was having
have had
will have
It’s raining heavily. Please take the ________.
stone
flower
umbrella
postcard
Father’s Day comes ________ June every year.
in
on
at
to
I usually have _______egg and some bread for breakfast.
a
an
the
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