邻星间出现下行干扰时被干扰卫星地球站在接收正常信号的同时,其()接收到邻星信号。
A.主瓣
B.旁瓣
参考答案:B
动词填空。
1. This is a good place_________ (meet) friends.
2. They_________ (plan) to have a trip now.
3. It _________ (rain) a lot in the south in summer.
4. Please take your turn _________ (get ) on the bus.
5. He needs us _________ (help) him with his English.
6. Tom, _________ (not play ) in the street. It's dangerous.
7. It's eight o'clock now. The Whites _________ (eat) snacks while they _________ (watch) a video.
8. Pease ask Wangbing __________(call) me.
9. Thank you for_________ (invite) us to your party.
输注白细胞的指标是()
A.WBC<0.5×109/L
B.WBC<0.8×109/L
C.WBC<1.0×109/L
D.WBC<1.2×109/L
E.WBC<1.5×109/L