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【单选题】
正常恒牙的数目为( )个 A.20 B.28 C.29 D.28~32
A.
20
B.
28
C.
29
D.
28-32
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【单选题】The old man __________ in Tibet for two years as a volunteer teacher;it is an experience he  often mentions.
A.
served
B.
serves
C.
is serving
D.
has served
【简答题】Lin Feng is a student of Class One, Grade Seven. He likes basketball very much. He often plays it after school. And he often goes home late. His home is not far from school. And his mother knows that ...
【单选题】两样本均数比较时,以下检验水准中第二类错误最小的是( )
A.
=0.05
B.
=0.01
C.
=0.15
D.
=0.025
E.
=0.20
【单选题】家庭网关PON状态灯熄灭表示()。
A.
ONU未开始注册流程
B.
ONU已经注册
C.
ONU正在注册
D.
ONU注册不通过
【单选题】判断下列句子是否是强调句 It is he who often helps me with my English.
A.
Y
B.
N
【单选题】两样本均数比较时,以下检验水准中第二类错误最小的是 。
A.
=0.05
B.
=0.01
C.
=0.15
D.
=0.20
E.
=0.30
【单选题】两样本均数比较时,以下检验水准中犯第二类错误最小的是:
A.
α=0.05
B.
α=0.01
C.
α=0.15
D.
α=0.20
E.
α=0.30
【判断题】对学生读者而言,每本图书最长可以借阅 30天。
A.
正确
B.
错误
【简答题】阅读理解。 Mr. Turner likes fishing. It is his favorite sport. He often fishes for hours without catching anything. But this does not worry him. Some fishermen couldn't catch fish. Sometimes they catch old...
【单选题】Li Lei is ____ at English but I do in it.He often helps me with it.
A.
good, well
B.
bad; well
C.
good; badly
D.
badl; badly
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