1。researchers have announced that magnetic fields emitted by one manufacturer’s security surveillance system, of which type there are 200,000 worldwide, can interfere with pacemakers and that this interaction can bring on missed or irregular heartbeats nausea, breathlessness, dizziness, and even fainting
(选A)
of which, worldwide, there are 200,000 of that type, and which can interfere with pacemakers, and
of which type there are 200,000 worldwide, they can interfere with pacemakers and
200,000 of which type exist worldwide, interfering with pacemakers, and(答案给的)
200,000 of that type exist worldwide and can interfere with pacemakers, and
我也觉得选A,但是答案给的不一样,讨论。。。
2。researchers agreed that the study of new treatments for heart attack patients was extremely important but more research was needed to determine that balloon angioplasty preceded with ultrasound was or was not any better for heart attack patients than the balloon procedure by itself
more research was needed for determining whether or not balloon angioplasty preceded with ultrasound is any better for heart attack patients than is(答案给这个)
that more research was needed to determine whether balloon angioplasty preceded with ultrasound is any better for heart attack patients than
(选这个)
that more research was needed to determine that balloon angioplasty preceded with ultrasound was any better for heart attack patients than
我选的和你一样,但是答案给的不同,讨论
that more research was needed for determining that balloon angioplasty preceded with ultrasound is or is not any better for heart attack patients than is
3。elk now live almost solely in the rocky mountains, which would make it seem that elk are mountain dwellers, while they once ranged over virtually all of the continental US except for a small strip in the extreme southwest.
the fact that elk now live almost solely in the rocky mountains would make it seem that they are mountain dwellers, but(我选这个)
it would seem that elk would be mountain dwellers because of their living now solely in the rocky mountains, but still
now living almost solely in the rocky mountains, it would seem that elk were mountain dwellers, although(选这个)
it seems that elk would be mountain dwellers from the fact that they now live solely almost in the rocky mountains, since
答案给的是A,我选的是B,讨论
4。navigators have known for thousands of years that the ocean has variable currents, but it is only in the last half century that a reasonable clear picture has emerged of the patterns and causes of ocean currents
(选A)
a reasonable clear picture of the patterns of ocean currents and their causes have emerged(我选这个)
a reasonable clear picture emerged of ocean currents, their patterns and the causes of them
答案是A,A的用法好怪,请教NN
5。new items developed for automobiles in the 1997 model year included a safer air bag, which, unlike previous air bags, eliminated the possibility that a burst of smoke would appear when the bag inflated, and making an already terrified passenger think the car was on fire.
inflated and make
inflated to make(答案给这个)
觉得这两个都不对
我第一次选对了答案,第二次选错了上面一个,似乎还没真明白,请教 |