Raise your hand ifyou had never heard of Tetralogy of Fallot with pulmonary atresia before Monday's episode of ABC's Jimmy Kimmel Live.上句中的had never heard of是虚拟语气吗，表达怎样的含义？谢谢老师的回答。
...Obviously,
you didn’t read it. 显然，你没有读过它。Obviously,
this is going to take some time. 很明显，这要花点时间。Obviously,
we don’t want to spend too much money. 很明显，我们不想花太多的钱。2.用于句中He
was obviously drunk. 他显然喝醉了。He’s
...
...rtment中，do you think还是插入语吗？How do you think…How do youlike…又是怎样的呢？3.What do you think that Sally will do中，怎么又有that了呢？这时do you think还是插入语吗？4.How much do you think he earns every day中，是否省略了that？5.What do you think...
Ifyou smell or hear a gas，get everyone outside and open the windows and doors. Ifyou can do it safely，turn off the gas. Report it to the gas company.两个it分别指什么呢？
The retailer also announced the locations of 36 stores it will close in early 2016.It's also pushing ahead in 2016 with an expansion of Bluemercury, the beauty chain it brought last year.Our relative bright spot for Macy's during the holiday season was the online channel, where it rang up "double-di...
...ore they are able to do the
same with less symmetrical (对称的) shapes. This ability to recognize that a shape will need
to be turned in a specific direction before it will fit is called an
“allocentric frame of reference”. In the experiment, Goffin’s cockatoos were
able to select the right...
...这句话什么意思？（句中的boffins aplenty? charge ahead?）3. Ifthis approach is widely applicable, or if future AI systems can be trained using sparser amounts of data, the tech giants' edge is blunted.最后半句什么意思？4. Much will depend on whether regulations prise open t...