He needs his homework this evening . [ ]
A . do
B. does
C. doing
D. to do
答案：A
我国航天技术在多方面达到了世界先进水平，成为仅次于俄罗斯、美国的航天大国。目前我国的航天技术不包括（）
A．卫星回收技术
B．载人航天技术
C．.多级火箭分离技术
D．航天飞机发射技术
The captain gave an order in the difficult situation________the sailors throw away everything that was on board the ship.
A．what
B．which
C．as
D．that
