China has ratified the Montreal Convention 1999, and its domestic carriage of cargo, luggage and passengers by air is also governed by the Montreal Convention 1999. ( )
China has ratified the Montreal Convention 1999, and its domestic carriage of cargo, luggage and passengers by air is also governed by the Montreal Convention 1999. ( )
I ___ born in 1999.
I ___ born in 1999.
It ________ that the civil war _________in 1999.
It ________ that the civil war _________in 1999.
Macao ______ its return to China in December, 1999.
Macao ______ its return to China in December, 1999.
Gina was born ________ 1999. She is old enough to go to school.
Gina was born ________ 1999. She is old enough to go to school.
文献：Guiding of terawatt laser pulses in preformed plasma channels. Nikitin, Sergei Petrovich (Univ. of Maryland, College Park, MD, USA). 160 pp. Avail. UMI, Order No. DA9925820 From: Diss. Abstr. Int., B 1999, 60(4), 1682 (English) 1999.以下说明正确的是：
文献：Guiding of terawatt laser pulses in preformed plasma channels. Nikitin, Sergei Petrovich (Univ. of Maryland, College Park, MD, USA). 160 pp. Avail. UMI, Order No. DA9925820 From: Diss. Abstr. Int., B 1999, 60(4), 1682 (English) 1999.以下说明正确的是：
There was hardly any change in the sales throughout the period except for a slight rise on 1999.
There was hardly any change in the sales throughout the period except for a slight rise on 1999.
如果要向EXCEL2010单元格中作为文字输入“1999”，应该输入（） A: 1999“？ B: 1999？ C: “1999” D: ‘1999
如果要向EXCEL2010单元格中作为文字输入“1999”，应该输入（） A: 1999“？ B: 1999？ C: “1999” D: ‘1999
Questions 5 to 7 are based on the following passage. When did Michael Jordan announce his retirement from basketball A: Dec. 13, 1998. B: Dec. 20, 1998. C: Jan. 13, 1999. D: Jan. 20, 1999.
Questions 5 to 7 are based on the following passage. When did Michael Jordan announce his retirement from basketball A: Dec. 13, 1998. B: Dec. 20, 1998. C: Jan. 13, 1999. D: Jan. 20, 1999.
2000分之1999=[()-()]乘1999=()乘1999-()乘1999=(.)
2000分之1999=[()-()]乘1999=()乘1999-()乘1999=(.)