Please choose the right forms for dates. A: 23 September, 2005 B: 23rd September, 2005 C: May 7, 2006 D: 2006, May 7th

When is the World Reading Day? A: August, 23rd B: April, 20th C: August, 20th D: April, 23rd

23. What is the 23rd word?

The SpringFestival starts from the ________ or _______ of the 12th lunar month. A: 21st; 22nd B: 22nd; 23rd C: 23rd; 24th D: 24th; 25th

What is the talk mainly about A: The 23rd Olympic games. B: Los Angeles hosting the Olympics. C: Using computers before and during the 23rd Olympics. D: A sophisticated computer.

What is the receiver’s cable of the 23rd aboutIt’s about ______.

对定量分析结果的相对平均偏差的要求，通常是（）。 A: Rd≤2% B: Rd≤0.02% C: Rd≥0.2% D: Rd≥0.02% E: Rd≤0.2%

对滴定分析结果的相对平均偏差的要求,通常是 A: Rd≤2％ B: Rd≤0.02％ C: Rd≥0.2% D: Rd≤0.2％ E: Rd≥0.02％

MIPS32指令集属于RISC指令集，没有NOT（取反）指令。以下（）可以实现NOT（Rs）Rd（将寄存器Rs的值取反以后存入寄存器Rd）的功能，其中Rs为源寄存器，Rd为目的寄存器，寄存器R0中的值恒为0。 A: NORRs,R0，Rd   //(Rs)NOR(R0)→Rd B: ANDRs，R0,Rd   //(Rs)AND(R0)→Rd C: ORRs,R0,Rd    //(Rs)OR(R0)→Rd D: XORRs,R0,Rd    //(Rs)XOR(R0)→Rd

对定量分析结果的相对平均偏差的要求，通常是（）。 A: Rd≥0.2﹪ B: .Rd≥0.02﹪ C: .Rd≤0.2﹪ D: .Rd≤0.02﹪