19、AttheweekendsinChengduyoucanoftenseemanypeople(坐在餐馆外面).Waitingtohavedinners.(seat)20、It'snouse(quarrel)overthematter.21、Theyoungman
19、At the weekends in Chengdu you can often see many people (坐在餐馆外面). Waiting to have dinners.(seat)
20、It's no use ___________________(quarrel) over the matter.
21、The young man _______________________(被指控抢劫银行的) was sure to be sentenced to three years in prison. (burn)
22、Generally speaking when ___________ (take) according to the directions the drug has no side effect.
19、【答案】seated outside restaurants
>20、【答案】quarreling
21、【答案】(who was/had been) accused of robbing the bank
22、【答案】taken
9,13,9,19,19,25,15,21,2,21,20,19,15,18,18, 2020-06-07 …
口算123×3=600×80=125×4=86万-16万=42×59≈577×99≈295×21≈ 2020-07-09 …
计算：1、（1）15+21+25+19（2）70+63+81+37+30+192、（1）17+19 2020-07-17 …
66*21+19*21+85*19用简便方法计算 2020-07-17 …
用简便方法计算下面各题．（1）66×21+19×21+85×19（2）36×111+888×8（3 2020-07-18 …
小明在做数学题时，发现下面有趣的结果：3-2=1；8+7-6-5=4；15+14+13-12-11 2020-07-18 …
1/21*1/19*（278*21*19）简算 2020-07-25 …
设抽样得到样本观测值如下：19.1,20.0,21.2,18.8,19.6,20.5,22.0,2 2020-08-02 …
某种物理实验进行10次,得到实验数据是：20,18,22,19,21,20,19,19,20,21 2020-08-02 …
某种物理试验进行了10次,得到实验数据是：……某种物理试验进行了10次,得到试验数据是：20,18 2020-08-02 …