【单选题】【消耗次数：1】
Don’t take any action until you are fully _____ with the situation there.
①
consented
②
content
③
obvious
④
acquainted
参考答案：
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纠错
相关题目
【单选题】
It is better for you to be _____ about its consequences before you take any action.
①
positive
②
absolute
③
critical
④
favorite
【单选题】
Don’t hesitate ______ for help if you have any problem meeting the schedule.
①
to ask
②
asked
③
asking
④
to be asked
【单选题】
If you don’t think it necessary to make ____ any missed lessons, speak up now.
①
up for
②
up with
③
up to
④
away for
【单选题】
Most insurance agents would rather you __________ anything about collecting claims until they investigate the situation.
①
don’t do
②
didn’t do
③
would not do
④
do
【单选题】
You don’t mind ______ you Xiao Li, do you?
①
call
②
to call
③
to calling
④
my calling
【单选题】
If you work hard, you will be ________; but if you don’t, you will be punished.
①
relaxed
②
relieved
③
reduced
④
rewarded
随机题目
【判断题】
问：炔烃不但可以加一分子卤素，而且可以加两分子卤素，但却比烯烃加卤素困难，反应速率也小，为什么？ 解：烯烃、炔烃与卤素的加成反应是亲电加成，不饱和键上的电子云密度越大，越有利于亲电加成。由于炔烃中的叁键碳采取sp杂化，电负性较大。所以，炔烃与卤素加成时，比烯烃加卤素困难，反应速率也小于烯烃。评：解释合情合理！
①
正确
②
错误