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【单选题】
—Oh,I just realized that I don’t have any money. —You don’t?Well,don’t worry,I________lend you so
A.
35.—Oh,I just realized that I don’t have any money. —You don’t?Well,don’t worry,I________lend you some. A.will
B.
should
C.
am going to
D.
am to
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【单选题】Linux提供默认的系统账号是( )。
A.
user1
B.
user2
C.
root
D.
loop
【单选题】单相交流电路的电压有效值为U,电流有效值为I,则视在功率S的表达式为______。
A.
UI
B.
UI
C.
UI
D.
UI
【单选题】对于早产极低体重儿预防肺透明膜病的有效措施是 :
A.
抗菌素
B.
正压给氧
C.
肾上腺皮质激素
D.
气管内滴入肺表面活性物质
E.
纠正酸中毒
【单选题】_ a little longer, but I really have to go now.
A.
I’d stay
B.
I’ll stay
C.
I can stay
D.
I’d have stayed
【单选题】Sorry, I am too busy now. If I _____ time, I would certainly go for an outing with you.
A.
have
B.
have had
C.
had had
D.
had
【单选题】—I'll have to go to the classroom. I left my MP5 player there just now. —You don't have to. I ________ it for you. Here you are. [     ]
A.
will bring
B.
bring
C.
brought
D.
have brought
【单选题】单相交流电路的电压有效值为U,电流有效值为I,则视在功率S的表达式为______。
A.
UI
B.
1/2UI
C.
(1/2)1/2UI
D.
21/2UI
【单选题】单相半波整流电路的交流电源电压有效值为U2,则输出电压的平均值是()。
A.
0.45U2
B.
0.9U2
C.
U2
D.
【单选题】临床上边缘性颌骨骨髓炎,常继发于
A.
颞间隙感染
B.
颊间隙感染
C.
咬肌间隙感染
D.
颌下间隙感染
E.
智齿冠周炎
【单选题】对于早产极低体重儿预防肺透明膜病的有效措施是
A.
抗菌素
B.
正压给氧
C.
肾上腺皮质激素
D.
气管内滴入肺表面活性物质
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