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【单选题】
人在受到惊吓时,肾上腺髓质释放的肾上腺素增多,该激素可作用于心脏,使心率加快。下列叙述正确的是A.
该实例中反射弧是实现体液调节的结构基础
B.
该实例只包含神经调节
C.
肾上腺素通过血液运输到心脏
D.
肾上腺素作用的靶器官不包括心脏
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举一反三
【单选题】--- Who told you my address ? --- I don’t remember clearly. It _____ Li Mei. ---It _____ Li Mei. She doesn’t know it.
A.
can be; mustn’t be
B.
may have been;must have been
C.
may have been; can’t be
D.
must have been ; can’t have been
【简答题】看图画，填单词。 1. I like__________. 2. Daming likes __________. 3. Do you like __________? 4. I don't like__________.
【单选题】You don’t like buying things online, do you?()
A.
Yes、I don’t like it much
B.
No、I’m a little worried about security
C.
No、It’s very convenient
【单选题】Li Ming, don't forget to turn off the lights before you leave the office, _____?
A.
won't you
B.
should he
C.
shall we
D.
will you
【单选题】I'm afraid that you can't _________ Li Ming if you don't work hard at your lessons [ ]
A.
agree with
B.
come up with
C.
give up
D.
catch up with
【单选题】—Don't________, my children. Keep working on and you will be successful. —Thank you, Mr Li. We will try our best. [ ]
A.
put up
B.
pick up
C.
grow up
D.
give up
【单选题】You don't mind () you Xiao Li, do you?
A.
call
B.
to call
C.
to calling
D.
my calling
【单选题】—Did you go to Li Lei's birthday party? —No, I . [ ]
A.
wasn't invited
B.
haven't invited
C.
don't invite
D.
am not invited
【单选题】—Don’t you know Li Ming will go abroad? —____, not until you ____me.
A.
No; told
B.
Yes; have told
C.
No; are telling
D.
Yes; told
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