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【单选题】
有两种治疗某病的方法,为了比较这两种方法的疗效,需要将该病患者100人分配到甲、治疗组中去,最佳的分组方法是()A.
男性患者进入甲组，女性患者进入
B.
甲、治疗组中两性患者人数接近相等
C.
完全随机地分成两组
D.
先按性别、病情进行配对，再在每对中用随机方法分组
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举一反三
【单选题】the club’s aim is to better relations with the community.
A.
make
B.
set
C.
form
D.
foster
【简答题】Smith
________ as the club’s new manager yesterday.A. confirm B. confirms C. confirmed D. was
confirmed
【单选题】The stadium was named ____ the club’s first chairman , who had high fame .
A.
in case of
B.
in honor of
C.
in search of
D.
in place of
【单选题】A membership card ________ the holder to use the club’s facilities for a period of twelve months.
A.
approves
B.
authorizes
C.
rectifies
D.
endows
【单选题】A membership card ( ) the holder to use the club’s facilities for a period of twelve months.
A.
averts
B.
authorizes
C.
rectifies
D.
enforces
【单选题】According to the club’s rules, members can play ____ .
A.
for 30minutes only
B.
for one hour only
C.
within the booked time only
D.
.longer than the booked time
【单选题】How many people worldwide can have access to the club’s bimonthly newsletter?
A.
1 million.
B.
2 million.
C.
3 million.
D.
4 million.
【单选题】When the great man arrived, the club’s manager picked him up _____.
A.
calmly
B.
bravely
C.
personally
D.
politely
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