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【单选题】
Tinder also _________ the barrier between checking someone out online and actually meeting him or her in real life. A)increases B) lowers C) improves D) strengthensA.
increases
B.
lowers
C.
improves
D.
strenghthens
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反馈参考答案：
举一反三
【多选题】抗菌药物联合用药的指征有
A.
未明病菌的细菌性严重感染
B.
较长期用药细菌可能产生耐药者
C.
单一抗菌药物不能有效控制的心内膜或败血症
D.
单一抗菌药物不能控制的严重混合感染
E.
减少药物的毒性反应
【单选题】回答题： Congratulations， It Will Be A Boy! Until just a few years ago， making a baby boy or a girl was pretty much a hit-or-miss affair. Not anymore. Parents who have access to the latest genetic testing...
A.
Screen a baby for sex.
B.
Predetermine a baby's sex.
C.
Insert genes.
D.
Identify genetic disorders.
【单选题】I saw the baby was about to fall off the bed and caught it just _____.
A.
on time
B.
at times
C.
in the nick of time
D.
timing
【单选题】When they arrived at the railway station, they learned that the train______.
A.
was just leaving
B.
has just: left
C.
had just left
D.
just left
【单选题】Turn the radio ______, please! The baby has just fallen asleep.
A.
up
B.
off
C.
on
D.
over
【单选题】Until just a few years ago, making a baby boy or a baby girl was pretty much a hit-or-miss (偶然的，碰运气的) affair. Not anymore. Parents who have access to the latest genetic testing techniques can now pred...
A.
Screen a baby for sex.
B.
Remove undesirable attributes.
C.
Implant genes.
D.
Identify genetic disorder.
【单选题】Only after a baby seal is pushed into the sea by its mother______to swim.
A.
how will it learn
B.
it will learn how
C.
will it learn how
D.
and it will learn how
【单选题】When was the worlds 7 billionth baby born?
A.
Just after midnoon on Saturday.
B.
Just after midnight on Saturday.
C.
Just before midnoon on Sunday.
D.
Just before midnight on Sunday.
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