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【单选题】
3个月婴儿,母乳喂养,生后大便每日5~6次,为黄色稀便,无特殊臭味,经治疗无好转,体重6 kg,精神活泼,大便常规检查阴性,哪种疾病可能性大
A.
慢性痢疾
B.
生理性腹泻
C.
迁延性腹泻
D.
真菌性腹泻
E.
肠结核
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【单选题】为了使下面的程序能通过编译,最少要做的修改是 ( )。 1. final class A { 2. int x; 3. void mA() { x=x+1; } 4. } 5. class B extends A { 6. final A a=new A(); 7. final void mB(){ 8. a.x=20; 9. Sy...
A.
第 1行去掉final
B.
行 1和行6去掉final
C.
删除第 8行
D.
第 6行去掉final
【单选题】对细胞分化基因差异性表达的调控主要表现在
A.
复制水平上
B.
转录水平上
C.
翻译水平上
D.
翻译后修饰上
E.
转录后加工水平
【单选题】Tom has much difficulty _______ Chinese so he often asks me ______ help
A.
to understand; with
B.
understanding; of
C.
to understand; for
D.
understanding; for
【单选题】为了使下面的程序能通过编译,最少要做的修改是( )。 1. final class A { 2. int x; 3. void mA() { x=x+1; } 4. } 5. class B extends A { 6. final A a=new A(); 7. final void mB(){ 8. ...
A.
行1和行6去掉final
B.
第1行去掉final
C.
第6行去掉final
D.
删除第8行
【单选题】为了使下面的程序能通过编译,最少要做的修改是( )。1. final class A {2. int x;3. void mA() { x=x+1; }4. }5. class B extends A {6. final A a=new A();7. final void mB(){8. a.x=20; 9. System.out.println("hello");10. }11. }
A.
第 1行去掉final
B.
第 6行去掉final
C.
删除第 8行
D.
行 1和行6去掉final
【单选题】Tom has difficulty Chinese , so he often asks me advice .
A.
to understand ; with
B.
understanding ; of
C.
to understand ; for
D.
understanding ; for
【单选题】Tom has much difficulty _____Chinese so he often asks me ______help.
A.
understanding; for
B.
understanding; of
C.
to understand; for
D.
to understand; for
【单选题】Tom has difficulty ______ English.
A.
to speak
B.
spoke
C.
spoken
D.
speaking
【单选题】–Why has Tom looked unhappy recently? –He has some difficulty ______ with his new classmates at school.
A.
getting over
B.
getting in
C.
getting along
D.
getting down
【多选题】氨基酸穿膜运输的方式有( )。
A.
自由扩散
B.
易化扩散
C.
主动运输
D.
协同运输
E.
通道蛋白介导的扩散
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