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【单选题】
患者男,28岁。因“外阴色素脱失斑3年,面部出现多处白斑1个月”来诊。查体:阴囊及阴茎部位多处境界清晰的色素脱失斑,白斑周围皮肤色素加深,伴有部分阴毛发白;面部可见大小不一的数片色素脱失斑,境界欠清;背部亦出现多处色素脱失斑。患者的顾虑非常多,考虑到将结婚生子,他询问有关遗传方面的问题,下列叙述正确的是()
A.
属于常染色体显性遗传
B.
属于性联遗传
C.
亲属患病率为3%~12%,低于一般人群
D.
染色体4p16上可能存在易感基因
E.
更接近多基因遗传模式
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举一反三
【单选题】Almost half of my classmates()the Internet to use email.
A.
contact with
B.
take on
C.
absorb into
D.
log onto
【单选题】According to the passage, which of the following is NOT true?
A.
Almost half of the children of two left-handed parents will be left-handed
B.
At least 84 percent of left-handers are born of two right-handed parents
C.
One in ten of Americans are left-handed
D.
In the majority of genetically identical twins, one will be right handed, the other left
【简答题】电压和电流的参考方向一致,称为 方向。 电压和电流的参考方向相反,称为 方向
【判断题】若函数【图片】在区间【图片】内有任意阶导数,且存在正数【图片】,使得对一切【图片】,有【图片】,则【图片】在【图片】内可展开为麦克劳林级数.
A.
正确
B.
错误
【判断题】若函数【图片】在【图片】上连续,在【图片】内可导,则存在唯一一点【图片】,使得【图片】.
A.
正确
B.
错误
【判断题】若函数【图片】在【图片】上连续,在【图片】内可导,则在【图片】内至少存在一点【图片】,使得【图片】.
A.
正确
B.
错误
【单选题】配比原则是指
A.
收入与支出相互配比
B.
收入与营业费用相配比
C.
收入与产品成本相配比
D.
收入与其相关的成本费用相配比
【单选题】-- Is the Nanjing Bridge open to the public yet? ---Yes. It ____ for almost one and a half months .
A.
has opened
B.
has being opened
C.
has been open
D.
was open
【单选题】The young _____eaten up almost everything ,and one and a half bananas ____ left on the table.
A.
is; are
B.
are; is
C.
has; have been
D.
have; has been
【单选题】Almost half green consumers take animal testing as the most influential factor that decides their buying choices.
A.
Y
B.
N
C.
NG
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