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【单选题】
铁磁材料有几种A.
1
B.
2
C.
3
D.
4
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举一反三
【单选题】Could the would-be rescuers succeed in saving the drowning boy?
A.
Yes, they could. Because they were very close to the boy.
B.
Yes, they could. Because they got enough people to save the boy.
C.
No, they couldn't. Because they all were afraid of water.
D.
No, they couldn't. Because they'd never reach the boy with the water's tow.
【单选题】6岁男孩，出生时正常，母乳喂养，5个月后智能渐落后，头发变黄，肤色变白，有时发生抽搐，肌张力较高，可见湿疹。假如该患儿刚出生不久，为早期诊断，应选择的检查项目是（）
A.
尿2，4二硝基苯肼试验
B.
尿三氯化铁试验
C.
Guthrie细菌生长抑制试验
D.
血T 3 、T 4 、TSH测定
E.
染色体核型分析
【单选题】The boy could not ______ the temptation of the piece of chocolate and revealed the secret.
A.
persist
B.
resist
C.
desist
D.
insist
【单选题】男，6岁。出生时正常，母乳喂养，5个月后智能渐落后，头发变黄，肤色变白，有时发生抽搐，肌张力较高，可见湿疹。假如该患儿刚出生不久，为早期诊断，应选择的检查项目是
A.
尿2，4二硝基苯肼试验
B.
尿三氯化铁试验
C.
Guthrie细菌生长抑制试验
D.
血T 、T 、TSH测定
E.
染色体核型分析
【单选题】--Here are some earrings . The owner can’t be a boy. --Well, could be a boy. The earrings might be a present for his mother.
A.
he
B.
that
C.
it
D.
this
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