no12的例题：正确答案是D
Ron给的解释：In choosing between C and D, first consider the intended meaning. We're interested in the current likelihood that the comet/asteroid will strike Earth in the future..
In other words, How likely is it NOW that a comet/asteroid WILL STRIKE Earth?
This distinction comes into play when you look at the verbs in C and D. Different verbs.
C mentions "how likely a comet/asteroid will be". Nope. The likelihood is something that exists now, not in the future. (That's the definition of "likelihood": How probable does this event seem right now?
There's no "future likelihood" here. In the future, the event either happens or doesn't happen.)
D mentions the likelihood (as measured at present) that a comet/asteroid will collide (in the future) with Earth. That makes sense.
No13补充：查的PREP08里面的语法 详见prep08 1-243 1-257 2-234
capability和ability区别：ability to do和capability to do区别，在强调某人/物天生具有某种能力用ability好，capability可能强调的是能不能做某事（跟天生没什么关系），如government'capability或transport system's capability等
capability of sth. to be done表一种属性, 非一种主动的能力。
capability (of sth.）to do/of doing
sth’s ability可用在无生命主体
2.固定搭配：
be able to do
be capable of doing
have ability to do ； ability of sb. to do
have capability to do doing ； capability of sb. to do doing
1.capability to do；GMAT认为capability of X-ing/in X-ing是wordy/awkward的。
2.ability：sb's ability to do sth或ability of sb/sth to do sth
capability to do不如ability to do简洁，但不可就此判错
补充10：from manhattan
Dash:
1. Use dash as an emphatic comma, semicolon, or colon.
2. Sometimes, a dash is preferred. For instance, to separate an appositive from an
item in a list
Ex: My three best friends-A, B, and C-and I went skiing.
3. To restate or explain an earlier part of the sentence. Unlike the colon, don’t need
to be immediately preceded by the part needing explanation
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发表于 2016-3-31 10:09:36
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