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Gaokao comprehensive practice quiz

Ten questions on core mathematics, physics, and chemistry concepts tested in the Gaokao.

10 questões · 덱: Gaokao essentials: original practice · 감수: Ada

문제 1

Which description matches the 3+1+2 Gaokao model?

  1. Three electives, one core subject, and two language papers.
  2. Three core subjects, one of physics or history, and two electives.
  3. One core subject and two electives, with no fixed papers.
  4. Three science papers and two history papers.

문제 2

A rock is dropped from rest and takes 2.0 s to land. With g = 9.8 m/s^2, how far does it fall?

  1. 4.9 m
  2. 9.8 m
  3. 19.6 m
  4. 39.2 m

문제 3

An arithmetic sequence has first term 5 and common difference 4. What is the 8th term?

  1. 29
  2. 32
  3. 33
  4. 37

문제 4

What is the sum of the first 4 terms of a geometric sequence with first term 3 and common ratio 2?

  1. 24
  2. 45
  3. 48
  4. 63

문제 5

For the ellipse x^2/25 + y^2/9 = 1, what is the distance between the two foci?

  1. 4
  2. 6
  3. 8
  4. 10

문제 6

If a differentiable function f(x) has f'(2) = 0 and f'(x) changes from positive to negative at x = 2, what does f(2) represent?

  1. A local minimum
  2. A local maximum
  3. An inflection point with zero curvature
  4. A vertical asymptote

문제 7

A car navigates a circular track of radius 50 m at a constant speed of 10 m/s. What is its centripetal acceleration?

  1. 0.5 m/s^2
  2. 2.0 m/s^2
  3. 5.0 m/s^2
  4. 20 m/s^2

문제 8

Why does a static magnetic field do no work on a moving charged particle?

  1. Magnetic fields possess zero energy density.
  2. The magnetic Lorentz force is always perpendicular to the velocity vector.
  3. The charge of the particle dissipates inside magnetic field lines.
  4. Magnetic forces cancel with gravitational forces.

문제 9

According to Le Chatelier's principle, how does increasing total pressure affect the gas-phase reaction N2(g) + 3H2(g) <=> 2NH3(g)?

  1. It shifts equilibrium to the left (reactants)
  2. It shifts equilibrium to the right (products)
  3. It has no effect because temperature is unchanged
  4. It reduces the reaction rate to zero

문제 10

At 25°C, an aqueous hydrochloric acid solution has [H+] = 1.0 x 10^-3 M. What is its pH?

  1. 1.0
  2. 3.0
  3. 7.0
  4. 11.0