国际音读字母“OFTA”代表（）。 A: Aoliver，foxtrot，tango，alfa B: Boscar，francis，tommy，alfa C: Coscar，francis，tommy，anna D: Doscar，foxtrot，tango，alfa

for i in range(b.max_row): for j in range(b.max_column): print(b.cell(row=i,column=j).value)上面语句运行的结果是：__________。 A: 1 1 1 1 1 1 1 1 1 1 B: 1111111111 C: 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 D: 出现异常

2021-04-14 问题

【单选题】CDMA通信的基站,假定基站A的码片序列是+1 +1 +1 -1 -1 +1 -1 -1,基站发射bit为101时,实际发射的信号是 A. +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 –1 –1 –1 +1 +1 –1 +1 +1 B. +1 +1 +1 -1 -1 +1 -1 -1 –1 –1 –1 +1 +1 –1 +1 +1 +1 +1 +1 -1 -1 +1 -1 -1 C. +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 D. –1 –1 –1 +1 +1 –1 +1 +1 –1 –1 –1 +1 +1 –1 +1 +1 –1 –1 –1 +1 +1 –1 +1 +1

【单选题】CDMA通信的基站,假定基站A的码片序列是+1 +1 +1 -1 -1 +1 -1 -1,基站发射bit为101时,实际发射的信号是 A. +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 –1 –1 –1 +1 +1 –1 +1 +1 B. +1 +1 +1 -1 -1 +1 -1 -1 –1 –1 –1 +1 +1 –1 +1 +1 +1 +1 +1 -1 -1 +1 -1 -1 C. +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 D. –1 –1 –1 +1 +1 –1 +1 +1 –1 –1 –1 +1 +1 –1 +1 +1 –1 –1 –1 +1 +1 –1 +1 +1

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国际音读字母“OFTA”代表（）。 A: Aoliver，foxtrot，tango，alfa B: Boscar，francis，tommy，alfa C: Coscar，francis，tommy，anna D: Doscar，foxtrot，tango，alfa

国际音读字母“OFTA”代表（）。 A: oliver，foxtrot，tango，alfa B: oscar，francis，tommy，alfa C: oscar，francis，tommy，anna D: oscar，foxtrot，tango，alfa

The character in Yugurs’ legend of Toumian is___. A: Princess Wencheng B: Alfa C: Salamako D: Yesukhei

属于IgSF的粘附分子是（） A: ALFA-1 B: BCD2 C: CCD28 D: DMHCⅠ/Ⅱ类分子 E: ECD4/CD8

Which type of radiation do we use for bone metastatic tumor treatment（ ） A: Beta particle B: alfa particle C: Gama particle D: A and B

羰基alfa位的卤化反应，可以用酸催化也可以用碱催化，用碱催化更容易生成多卤代产物。

能介导与APC非特异结合的T细胞表面粘附分子是（）。 A: ALFA-1 B: BCD2 C: CICAM-1 D: D上列A和B两项 E: E上列A、B和C三项

在糖类的结构表示中，下列哪种方式用于表达相对构型？ A: alfa和beta B: R和S C: D和L D: Z和E

Which type of radiation do we use for bone metastatic tumor treatment（） A: Beta particle B: alfa particle C: Gama particle D: A and B