【判断题】【消耗次数：1】
萎缩就是发育不良。
①
正确
②
错误
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相关题目
【多选题】
定植后过多施肥、耕层过浅、地温过低都会导致根系发育不良，而适当（）、（）、（）可促进根系发育，促进光合产物向根系运输。
①
提高夜温
②
降低夜温
③
提高土温
④
减少土壤水分
【单选题】
关于牙齿发育的叙述，错误的是（）
①
牙胚由牙板及邻近的外胚间充质发育而来
②
帽状期成釉器细胞分化为三层
③
多根牙的形成是由上皮隔的发育所决定的
④
最早形成的牙体组织为釉基质
⑤
牙胚是在成釉器的帽状期形成的
随机题目
【单选题】
—Are you a teacher?—No, but I ________. I worked in a middle school for three years.
①
am
②
will
③
do
④
was
【单选题】
IfyougotoXian,youllfindtheplacestheremoremagnificentthancommonly______.
①
supposing
②
supposed
③
to suppose
④
suppose
【单选题】
______forthefreeticket,Iwouldnothavegonetothefilmssooften.
①
If it is not
②
Were it not
③
Had it not been
④
If there were to
【单选题】
Who can you turn to in time of danger, if not _______ ?
①
ourselves
②
ours
③
we
④
us
【单选题】
— Did you visit the museum last week?—No, we________, but we spent too much time shopping.
①
could have
②
could
③
must have
④
must
【单选题】
—How many poor counties will there be in our province by 2010?—There will be only a few, if _______.
①
much
②
some
③
any
④
many
【单选题】
Theresearchissodesignedthatonce______nothingcanbedonetochangeit.
①
begins
②
having begun
③
beginning
④
begun
【单选题】
While we admit his good points, we can see his bad ______.
①
ones
②
one
③
those
④
point