Today Silvio is 40 years old. Write a sentence stating how old Silvio was when he started to work in commercials. (
What will be an ideal response?
Tenía... años cuando empezó a trabajar (en comerciales).
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Each of the following sentences contains a blank. Choose the letter (A or B) that is followed by the pronoun that correctly completes the sentence. Sara and _____ wanted to see the Liberty Bell and take a horse-drawn carriage ride. aI. b. me
Fill in the blank(s) with correct word
Will an asteroid ever strike the Earth? We see science fiction movies with suspenseful plots involving
asteroids coming directly toward the Earth. But the catastrophe is avoided, perhaps by deflecting the asteroid with a nuclear-tipped missile, making for sighs of relief and a happy ending. However, asteroids are not science fiction, and there is evidence that they have struck the Earth in the past. In fact, a popular theory relates the extinction of dinosaurs to an asteroid collision some 65 million years ago. Will future collisions occur? Although it is remote, the possibility does exist. We now even have a scale by which damage may be gauged in the event of an impact by an asteroid or comet—the Torino scale. It is sometimes referred to as the "Richter scale for asteroids." (The Richter scale is used to describe the severity of earthquakes.) The Torino scale was intended to serve as a communication tool for astronomers and the general public to assess the seriousness of close encounters or hits by asteroids and comets. An initial version of the scale was developed in 1995 by Professor Richard P. Bizel of the Massachusetts Institute of Technology (M.I.T.). A revised version was presented at a 1999 international conference on Near-Earth Objects, or NEOs (Sun-orbiting asteroids and comets) held in Torino, Italy. This revised version was officially accepted by the conference, hence the name Torino scale. The Torino scale uses numbers and colors to express the estimated risk and damage of an asteroid or comet colliding with the Earth; the estimates are based on the NEO's collision probability1 and kinetic2 energy. A rating of 0 or 1 indicates a low probability of collision. A rating of 10 shows a high probability of collision, with global catastrophic effects. The vast majority of asteroids and comets fall in the 0 category, which (like a low number on the earthquake Richter scale) helps moderate the public's reaction to an asteroid report. In 1998, a false alarm of a possible asteroid encounter received considerable media coverage, raising public concern. With more observations and path calculations, the asteroid was given a 0 rating on the Torino scale, so there was no need for concern. When a new asteroid or comet is discovered, the predictions of the object's path months or years in the future are not too precise. Measurements of the object's orbit must be made over time for calculations that allow for greater certainty in predictions. Fortunately for us, the calculations for the vast majority of asteroids and comets show that there will not be a close approach to the Earth, so a Torino scale designation of category 0 is assigned. What a relief! In what year was a false alarm of a possible asteroid encounter reported? a. 1996 b. 1997 c. 1998 d. 1999
Fill in the letter of the word that best fits in each sentence. Use each letter only once
a. allocate e. concrete i. effective m. recall b. blunt f. convey j. inhibit n. regulate c. commit g. deteriorate k. negotiate o. staple d. compensate h. devious l. proverb p. variable If you don't paint metal window frames, rust will cause them to _____.
Write the correct verb in the blank
The whole town knew he was one of those people who (spread, spreads) gossip. What will be an ideal response?