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【单选题】
大黄素型蒽醌母核上的羟基分布情况是( )
A.
在一个苯环的β位
B.
在两个苯环的β位
C.
在一个苯环的α位或β位
D.
在两个苯环的α位或β位
E.
在醌环上
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【单选题】W hat should one do when friendship changes according to the speaker?
A.
T o accept it and move on.
B.
T o forgive your friends.
C.
T o save your friendship.
D.
T o dwell on the past.
【单选题】若要获取正在浏览当前页面用户的IP地址,则应将$_SERVER数组的元素键名指定为( )。
A.
HTTP_HOST
B.
REMOTE_ADDR
C.
REMOTE_HOST
D.
REMOTE_PORT
【单选题】Speaker A: Could I speak to John, please? Speaker B: John? There's no one by that name here. I'm afraid you've got the wrong number. Speaker A: ______
A.
OK, let me check again.
B.
Well, I'll try again.
C.
All right, thank you.
D.
Oh, sorry to have bothered you.
【单选题】【D5】 SPEAKER A: HAVE YOU MET THE NEW GIRL? SPEAKER B: NO. 【D4】______ SPEAKER A: SHE'S ONE OF THE PRETTIEST GIRLS AT THE SCHOOL. SPEAKER B: WHAT DOES SHE LOOK LIKE? SPEAKER A: 【D5】______ SPEAKER B: HOW...
A.
I THINK THAT I HAV E.
B.
WHAT ABOUT HER FACIAL FEATURES?
C.
WELL, SHE'S QUITE SHORT.
D.
HAVE YOU?
【简答题】请写出以下几种物质的 Haworth 结构式: 1 α-D-吡喃 甘露糖 2 α-D-呋 喃果糖 3 β-L- 吡喃半乳糖 4 β-D- 核糖 5 乳糖 6 蔗糖 7 麦芽 糖
【单选题】The speaker will introduce six departmental managers one by one.
A.
True
B.
Fasle
【单选题】【D6】 SPEAKER A: HAVE YOU MET THE NEW GIRL? SPEAKER B: NO. 【D4】______ SPEAKER A: SHE'S ONE OF THE PRETTIEST GIRLS AT THE SCHOOL. SPEAKER B: WHAT DOES SHE LOOK LIKE? SPEAKER A: 【D5】______ SPEAKER B: HOW...
A.
I THINK THAT I HAV E.
B.
WHAT ABOUT HER FACIAL FEATURES?
C.
WELL, SHE'S QUITE SHORT.
D.
HAVE YOU?
【简答题】已知 R 1 >R 2 ,在它们的串联电路中R 1 比R 2 取得的功率 ,在它们的并联电路中R 1 比R 2 取得的功率 。
【单选题】【D7】 SPEAKER A: HAVE YOU MET THE NEW GIRL? SPEAKER B: NO. 【D4】______ SPEAKER A: SHE'S ONE OF THE PRETTIEST GIRLS AT THE SCHOOL. SPEAKER B: WHAT DOES SHE LOOK LIKE? SPEAKER A: 【D5】______ SPEAKER B: HOW...
A.
I THINK THAT I HAV E.
B.
WHAT ABOUT HER FACIAL FEATURES?
C.
WELL, SHE'S QUITE SHORT.
D.
HAVE YOU?
【单选题】【D4】 SPEAKER A: HAVE YOU MET THE NEW GIRL? SPEAKER B: NO. 【D4】______ SPEAKER A: SHE'S ONE OF THE PRETTIEST GIRLS AT THE SCHOOL. SPEAKER B: WHAT DOES SHE LOOK LIKE? SPEAKER A: 【D5】______ SPEAKER B: HOW...
A.
I THINK THAT I HAV E.
B.
WHAT ABOUT HER FACIAL FEATURES?
C.
WELL, SHE'S QUITE SHORT.
D.
HAVE YOU?
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