【单选题】Studies of friendship suggest that ______.
A.
we want our friends to be totally supportive
B.
we should judge our friends more subjectively
C.
we think our friends resemble us more than they do
D.
we need friends who can make up for our shortcomings
【单选题】下列人类遗传病中属于X连锁隐性遗传病的是( )
【单选题】Our teachers always tell us to believe in ________ we do and who we are if we want to succeed. [ ]
【简答题】We should make our reservations as far ( ) as possible to get the flight we want. A. in detail B. in advance C. in reality D. in practice
【多选题】下列属于X连锁隐性遗传系谱特点的是
A.
群体中男性患者远多于女性患者,系谱中的病人几乎都是男性
D.
男患者致病基因将来只能传给女儿,存在交叉遗传现象
E.
男患者的兄弟、外祖父、舅父、姨表兄弟、外甥、外孙等可能是患者
【单选题】We want to learn some English songs, ( ) we can sing for our foreign guests.