3. The T-shirts are US$30 each. ( )
3. The T-shirts are US$30 each. ( )
At today’s exchange rate, every US dollar is equivalent _____ 8:30 yuan RMB. A: to B: as C: in D: for
At today’s exchange rate, every US dollar is equivalent _____ 8:30 yuan RMB. A: to B: as C: in D: for
We would make you the following offer, subject to your telex acceptance us not later than June 30, 1998.
We would make you the following offer, subject to your telex acceptance us not later than June 30, 1998.
在图示电路中，已知：Us= 24 V，R1= 20 欧，R2 = 30 欧 ，R3 = 15 欧 ，R4= 100 欧 ，R5 = 25 欧 ，R6= 8 欧 。求Us的输出功率P。6b30934d6e244af435a5f462802987f4.png
在图示电路中，已知：Us= 24 V，R1= 20 欧，R2 = 30 欧 ，R3 = 15 欧 ，R4= 100 欧 ，R5 = 25 欧 ，R6= 8 欧 。求Us的输出功率P。6b30934d6e244af435a5f462802987f4.png
It needs __ that the L/C should reach us 30 days before the month of shipment. A: being mentioned B: to be mentioned C: mentioned D: mention
It needs __ that the L/C should reach us 30 days before the month of shipment. A: being mentioned B: to be mentioned C: mentioned D: mention
Are there enough books for ____? A: three us B: us three C: all us D: the three us
Are there enough books for ____? A: three us B: us three C: all us D: the three us
若晶振频率fosc=12MHZ,若用51单片机的定时/计数器T0工作于方式2,定时30us,则计数器初值为 。
若晶振频率fosc=12MHZ,若用51单片机的定时/计数器T0工作于方式2,定时30us,则计数器初值为 。
______ agrees to your plan. A: Anyone of us B: No one of us C: None of us D: Someone of us
______ agrees to your plan. A: Anyone of us B: No one of us C: None of us D: Someone of us
电泳后冲洗最后一道冲洗用纯水电导控制在（）uS／cm以下。 A: 10 B: 20 C: 30 D: 50
电泳后冲洗最后一道冲洗用纯水电导控制在（）uS／cm以下。 A: 10 B: 20 C: 30 D: 50
We would make you the following offer, subject to your telex acceptance us not later than June 30, 1998.? being reached|reach|reaching |reaches;
We would make you the following offer, subject to your telex acceptance us not later than June 30, 1998.? being reached|reach|reaching |reaches;